21345644

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{941}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 38456208

約数和(自身を除く): 17110564

約数列:

[1, 2, 4, 53, 106, 107, 212, 214, 428, 941, 1882, 3764, 5671, 11342, 22684, 49873, 99746, 100687, 199492, 201374, 402748, 5336411, 10672822, 21345644]

約数ペア:

[(1, 21345644), (2, 10672822), (4, 5336411), (53, 402748), (106, 201374), (107, 199492), (212, 100687), (214, 99746), (428, 49873), (941, 22684), (1882, 11342), (3764, 5671)]