21403822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{972901}}^1$

素因数の和:972914

約数の個数: 8

約数和(自身を含む): 35024472

約数和(自身を除く): 13620650

約数列:

[1, 2, 11, 22, 972901, 1945802, 10701911, 21403822]

約数ペア:

[(1, 21403822), (2, 10701911), (11, 1945802), (22, 972901)]