21120604

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{46727}}^1$

素因数の和:46844

約数の個数: 12

約数和(自身を含む): 37288944

約数和(自身を除く): 16168340

約数列:

[1, 2, 4, 113, 226, 452, 46727, 93454, 186908, 5280151, 10560302, 21120604]

約数ペア:

[(1, 21120604), (2, 10560302), (4, 5280151), (113, 186908), (226, 93454), (452, 46727)]