21990957233

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{186587}}^1$

素因数の和:186856

約数の個数: 16

約数和(自身を含む): 25525238400

約数和(自身を除く): 3534281167

約数列:

[1, 7, 113, 149, 791, 1043, 16837, 117859, 186587, 1306109, 21084331, 27801463, 147590317, 194610241, 3141565319, 21990957233]

約数ペア:

[(1, 21990957233), (7, 3141565319), (113, 194610241), (149, 147590317), (791, 27801463), (1043, 21084331), (16837, 1306109), (117859, 186587)]