21599123

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3343}}^1$

素因数の和:3434

約数の個数: 16

約数和(自身を含む): 26966016

約数和(自身を除く): 5366893

約数列:

[1, 7, 13, 71, 91, 497, 923, 3343, 6461, 23401, 43459, 237353, 304213, 1661471, 3085589, 21599123]

約数ペア:

[(1, 21599123), (7, 3085589), (13, 1661471), (71, 304213), (91, 237353), (497, 43459), (923, 23401), (3343, 6461)]