21419151

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2137}}^1$

素因数の和:2410

約数の個数: 16

約数和(自身を含む): 30889824

約数和(自身を除く): 9470673

約数列:

[1, 3, 13, 39, 257, 771, 2137, 3341, 6411, 10023, 27781, 83343, 549209, 1647627, 7139717, 21419151]

約数ペア:

[(1, 21419151), (3, 7139717), (13, 1647627), (39, 549209), (257, 83343), (771, 27781), (2137, 10023), (3341, 6411)]