21062986

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65413}}^1$

素因数の和:65445

約数の個数: 16

約数和(自身を含む): 37678464

約数和(自身を除く): 16615478

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65413, 130826, 457891, 915782, 1504499, 3008998, 10531493, 21062986]

約数ペア:

[(1, 21062986), (2, 10531493), (7, 3008998), (14, 1504499), (23, 915782), (46, 457891), (161, 130826), (322, 65413)]