21390536

素因数分解:

$2^3\times {\mathrm{1423}}^1\times {\mathrm{1879}}^1$

素因数の和:3308

約数の個数: 16

約数和(自身を含む): 40156800

約数和(自身を除く): 18766264

約数列:

[1, 2, 4, 8, 1423, 1879, 2846, 3758, 5692, 7516, 11384, 15032, 2673817, 5347634, 10695268, 21390536]

約数ペア:

[(1, 21390536), (2, 10695268), (4, 5347634), (8, 2673817), (1423, 15032), (1879, 11384), (2846, 7516), (3758, 5692)]