21502786

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{1223}}^1$

素因数の和:1433

約数の個数: 16

約数和(自身を含む): 33048000

約数和(自身を除く): 11545214

約数列:

[1, 2, 59, 118, 149, 298, 1223, 2446, 8791, 17582, 72157, 144314, 182227, 364454, 10751393, 21502786]

約数ペア:

[(1, 21502786), (2, 10751393), (59, 364454), (118, 182227), (149, 144314), (298, 72157), (1223, 17582), (2446, 8791)]