21375193

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 25105536

約数和(自身を除く): 3730343

約数列:

[1, 7, 61, 113, 427, 443, 791, 3101, 6893, 27023, 48251, 50059, 189161, 350413, 3053599, 21375193]

約数ペア:

[(1, 21375193), (7, 3053599), (61, 350413), (113, 189161), (427, 50059), (443, 48251), (791, 27023), (3101, 6893)]