21144034

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1065

約数の個数: 16

約数和(自身を含む): 32353920

約数和(自身を除く): 11209886

約数列:

[1, 2, 79, 158, 163, 326, 821, 1642, 12877, 25754, 64859, 129718, 133823, 267646, 10572017, 21144034]

約数ペア:

[(1, 21144034), (2, 10572017), (79, 267646), (158, 133823), (163, 129718), (326, 64859), (821, 25754), (1642, 12877)]