21136621

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 24053760

約数和(自身を除く): 2917139

約数列:

[1, 11, 29, 173, 319, 383, 1903, 4213, 5017, 11107, 55187, 66259, 122177, 728849, 1921511, 21136621]

約数ペア:

[(1, 21136621), (11, 1921511), (29, 728849), (173, 122177), (319, 66259), (383, 55187), (1903, 11107), (4213, 5017)]