21016391

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{31321}}^1$

素因数の和:31393

約数の個数: 8

約数和(自身を含む): 23303568

約数和(自身を除く): 2287177

約数列:

[1, 11, 61, 671, 31321, 344531, 1910581, 21016391]

約数ペア:

[(1, 21016391), (11, 1910581), (61, 344531), (671, 31321)]