21096761

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 24624000

約数和(自身を除く): 3527239

約数列:

[1, 7, 113, 149, 179, 791, 1043, 1253, 16837, 20227, 26671, 117859, 141589, 186697, 3013823, 21096761]

約数ペア:

[(1, 21096761), (7, 3013823), (113, 186697), (149, 141589), (179, 117859), (791, 26671), (1043, 20227), (1253, 16837)]