21092968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{202817}}^1$

素因数の和:202836

約数の個数: 16

約数和(自身を含む): 42591780

約数和(自身を除く): 21498812

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 202817, 405634, 811268, 1622536, 2636621, 5273242, 10546484, 21092968]

約数ペア:

[(1, 21092968), (2, 10546484), (4, 5273242), (8, 2636621), (13, 1622536), (26, 811268), (52, 405634), (104, 202817)]