21279362

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{13417}}^1$

素因数の和:13493

約数の個数: 16

約数和(自身を含む): 34940472

約数和(自身を除く): 13661110

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 13417, 26834, 174421, 348842, 818437, 1636874, 10639681, 21279362]

約数ペア:

[(1, 21279362), (2, 10639681), (13, 1636874), (26, 818437), (61, 348842), (122, 174421), (793, 26834), (1586, 13417)]