21061954

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{1181}}^1$

素因数の和:1461

約数の個数: 16

約数和(自身を含む): 32609016

約数和(自身を除く): 11547062

約数列:

[1, 2, 37, 74, 241, 482, 1181, 2362, 8917, 17834, 43697, 87394, 284621, 569242, 10530977, 21061954]

約数ペア:

[(1, 21061954), (2, 10530977), (37, 569242), (74, 284621), (241, 87394), (482, 43697), (1181, 17834), (2362, 8917)]