21427816

素因数分解:

$2^3\times {\mathrm{457}}^1\times {\mathrm{5861}}^1$

素因数の和:6324

約数の個数: 16

約数和(自身を含む): 40271940

約数和(自身を除く): 18844124

約数列:

[1, 2, 4, 8, 457, 914, 1828, 3656, 5861, 11722, 23444, 46888, 2678477, 5356954, 10713908, 21427816]

約数ペア:

[(1, 21427816), (2, 10713908), (4, 5356954), (8, 2678477), (457, 46888), (914, 23444), (1828, 11722), (3656, 5861)]