21870460

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1733}}^1$

素因数の和:2373

約数の個数: 24

約数和(自身を含む): 46027296

約数和(自身を除く): 24156836

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 1733, 2524, 3155, 3466, 6310, 6932, 8665, 12620, 17330, 34660, 1093523, 2187046, 4374092, 5467615, 10935230, 21870460]

約数ペア:

[(1, 21870460), (2, 10935230), (4, 5467615), (5, 4374092), (10, 2187046), (20, 1093523), (631, 34660), (1262, 17330), (1733, 12620), (2524, 8665), (3155, 6932), (3466, 6310)]