21016095

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{23747}}^1$

素因数の和:23814

約数の個数: 16

約数和(自身を含む): 34197120

約数和(自身を除く): 13181025

約数列:

[1, 3, 5, 15, 59, 177, 295, 885, 23747, 71241, 118735, 356205, 1401073, 4203219, 7005365, 21016095]

約数ペア:

[(1, 21016095), (3, 7005365), (5, 4203219), (15, 1401073), (59, 356205), (177, 118735), (295, 71241), (885, 23747)]