21886315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3719}}^1$

素因数の和:3842

約数の個数: 16

約数和(自身を含む): 28926720

約数和(自身を除く): 7040405

約数列:

[1, 5, 11, 55, 107, 535, 1177, 3719, 5885, 18595, 40909, 204545, 397933, 1989665, 4377263, 21886315]

約数ペア:

[(1, 21886315), (5, 4377263), (11, 1989665), (55, 397933), (107, 204545), (535, 40909), (1177, 18595), (3719, 5885)]