21585417

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{10177}}^1$

素因数の和:10288

約数の個数: 16

約数和(自身を含む): 33220992

約数和(自身を除く): 11635575

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 10177, 30531, 71239, 213717, 1027877, 3083631, 7195139, 21585417]

約数ペア:

[(1, 21585417), (3, 7195139), (7, 3083631), (21, 1027877), (101, 213717), (303, 71239), (707, 30531), (2121, 10177)]