21246968

素因数分解:

$2^3\times {\mathrm{677}}^1\times {\mathrm{3923}}^1$

素因数の和:4606

約数の個数: 16

約数和(自身を含む): 39907080

約数和(自身を除く): 18660112

約数列:

[1, 2, 4, 8, 677, 1354, 2708, 3923, 5416, 7846, 15692, 31384, 2655871, 5311742, 10623484, 21246968]

約数ペア:

[(1, 21246968), (2, 10623484), (4, 5311742), (8, 2655871), (677, 31384), (1354, 15692), (2708, 7846), (3923, 5416)]