21604018

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{877}}^1$

素因数の和:1101

約数の個数: 16

約数和(自身を含む): 33030360

約数和(自身を除く): 11426342

約数列:

[1, 2, 109, 113, 218, 226, 877, 1754, 12317, 24634, 95593, 99101, 191186, 198202, 10802009, 21604018]

約数ペア:

[(1, 21604018), (2, 10802009), (109, 198202), (113, 191186), (218, 99101), (226, 95593), (877, 24634), (1754, 12317)]