21760358399

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{633803}}^1$

素因数の和:633974

約数の個数: 16

約数和(自身を含む): 24845116800

約数和(自身を除く): 3084758401

約数列:

[1, 13, 19, 139, 247, 1807, 2641, 34333, 633803, 8239439, 12042257, 88098617, 156549341, 1145282021, 1673873723, 21760358399]

約数ペア:

[(1, 21760358399), (13, 1673873723), (19, 1145282021), (139, 156549341), (247, 88098617), (1807, 12042257), (2641, 8239439), (34333, 633803)]