21802212290

素因数分解:

$2^1\times 5^1\times {\mathrm{3319}}^1\times {\mathrm{656891}}^1$

素因数の和:660217

約数の個数: 16

約数和(自身を含む): 39255865920

約数和(自身を除く): 17453653630

約数列:

[1, 2, 5, 10, 3319, 6638, 16595, 33190, 656891, 1313782, 3284455, 6568910, 2180221229, 4360442458, 10901106145, 21802212290]

約数ペア:

[(1, 21802212290), (2, 10901106145), (5, 4360442458), (10, 2180221229), (3319, 6568910), (6638, 3284455), (16595, 1313782), (33190, 656891)]