21936220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{35381}}^1$

素因数の和:35421

約数の個数: 24

約数和(自身を含む): 47553408

約数和(自身を除く): 25617188

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 35381, 70762, 141524, 176905, 353810, 707620, 1096811, 2193622, 4387244, 5484055, 10968110, 21936220]

約数ペア:

[(1, 21936220), (2, 10968110), (4, 5484055), (5, 4387244), (10, 2193622), (20, 1096811), (31, 707620), (62, 353810), (124, 176905), (155, 141524), (310, 70762), (620, 35381)]