Problem 44065. Number of even divisors of a given number

Created by Jihye Sofia Seo

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Given a Number n, return the number of its even divisors without listing them.

example:

n=14 ; EvenDivisors={2,14} ; y=2

n=68 ; EvenDivisors={2,34,4,68} ; y=4

n=64 ; EvenDivisors={2,4,8,16,32} ; y=5

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Last solution submitted on Feb 10, 2019

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Jihye Sofia Seo on 13 Feb 2017

Similar problems are: https://www.mathworks.com/matlabcentral/cody/problems/42791-number-of-divisors-of-a-given-number
https://www.mathworks.com/matlabcentral/cody/problems/1025-divisors-of-an-integer

James on 16 Feb 2017

For n=64, wouldn't the correct answer be 6, since 64 itself is also even? If you're not counting the number itself as a divisor, then the answers above for n=14 and n=68 would be incorrect.

Problem 44065. Number of even divisors of a given number

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Problem 44065. Number of even divisors of a given number

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