21538140767

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1083571}}^1$

素因数の和:1083734

約数の個数: 16

約数和(自身を含む): 25485613440

約数和(自身を除く): 3947472673

約数列:

[1, 11, 13, 139, 143, 1529, 1807, 19877, 1083571, 11919281, 14086423, 150616369, 154950653, 1656780059, 1958012797, 21538140767]

約数ペア:

[(1, 21538140767), (11, 1958012797), (13, 1656780059), (139, 154950653), (143, 150616369), (1529, 14086423), (1807, 11919281), (19877, 1083571)]