21919765825

素因数分解:

$5^2\times {\mathrm{1873}}^1\times {\mathrm{468121}}^1$

素因数の和:470004

約数の個数: 12

約数和(自身を含む): 27195079468

約数和(自身を除く): 5275313643

約数列:

[1, 5, 25, 1873, 9365, 46825, 468121, 2340605, 11703025, 876790633, 4383953165, 21919765825]

約数ペア:

[(1, 21919765825), (5, 4383953165), (25, 876790633), (1873, 11703025), (9365, 2340605), (46825, 468121)]