21129522

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{52561}}^1$

素因数の和:52633

約数の個数: 16

約数和(自身を含む): 42890592

約数和(自身を除く): 21761070

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 52561, 105122, 157683, 315366, 3521587, 7043174, 10564761, 21129522]

約数ペア:

[(1, 21129522), (2, 10564761), (3, 7043174), (6, 3521587), (67, 315366), (134, 157683), (201, 105122), (402, 52561)]