21580715519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{7001}}^1\times {\mathrm{280229}}^1$

素因数の和:287241

約数の個数: 8

約数和(自身を含む): 23546045520

約数和(自身を除く): 1965330001

約数列:

[1, 11, 7001, 77011, 280229, 3082519, 1961883229, 21580715519]

約数ペア:

[(1, 21580715519), (11, 1961883229), (7001, 3082519), (77011, 280229)]