21097928

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{44699}}^1$

素因数の和:44764

約数の個数: 16

約数和(自身を含む): 40230000

約数和(自身を除く): 19132072

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 44699, 89398, 178796, 357592, 2637241, 5274482, 10548964, 21097928]

約数ペア:

[(1, 21097928), (2, 10548964), (4, 5274482), (8, 2637241), (59, 357592), (118, 178796), (236, 89398), (472, 44699)]