21851404

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{176221}}^1$

素因数の和:176256

約数の個数: 12

約数和(自身を含む): 39473728

約数和(自身を除く): 17622324

約数列:

[1, 2, 4, 31, 62, 124, 176221, 352442, 704884, 5462851, 10925702, 21851404]

約数ペア:

[(1, 21851404), (2, 10925702), (4, 5462851), (31, 704884), (62, 352442), (124, 176221)]