21925905790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53477819}}^1$

素因数の和:53477867

約数の個数: 16

約数和(自身を含む): 40429231920

約数和(自身を除く): 18503326130

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 53477819, 106955638, 267389095, 534778190, 2192590579, 4385181158, 10962952895, 21925905790]

約数ペア:

[(1, 21925905790), (2, 10962952895), (5, 4385181158), (10, 2192590579), (41, 534778190), (82, 267389095), (205, 106955638), (410, 53477819)]