21726874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6379}}^1$

素因数の和:6525

約数の個数: 16

約数和(自身を含む): 35370720

約数和(自身を除く): 13643846

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 6379, 12758, 82927, 165854, 835649, 1671298, 10863437, 21726874]

約数ペア:

[(1, 21726874), (2, 10863437), (13, 1671298), (26, 835649), (131, 165854), (262, 82927), (1703, 12758), (3406, 6379)]