21867564

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42379}}^1$

素因数の和:42429

約数の個数: 24

約数和(自身を含む): 52212160

約数和(自身を除く): 30344596

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42379, 84758, 127137, 169516, 254274, 508548, 1822297, 3644594, 5466891, 7289188, 10933782, 21867564]

約数ペア:

[(1, 21867564), (2, 10933782), (3, 7289188), (4, 5466891), (6, 3644594), (12, 1822297), (43, 508548), (86, 254274), (129, 169516), (172, 127137), (258, 84758), (516, 42379)]