21402667

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 26220240

約数和(自身を除く): 4817573

約数列:

[1, 11, 13, 29, 143, 169, 319, 377, 397, 1859, 4147, 4367, 4901, 5161, 11513, 53911, 56771, 67093, 126643, 149669, 738023, 1646359, 1945697, 21402667]

約数ペア:

[(1, 21402667), (11, 1945697), (13, 1646359), (29, 738023), (143, 149669), (169, 126643), (319, 67093), (377, 56771), (397, 53911), (1859, 11513), (4147, 5161), (4367, 4901)]