21227834020

素因数分解:

$2^2\times 5^1\times {\mathrm{19861}}^1\times {\mathrm{53441}}^1$

素因数の和:73311

約数の個数: 24

約数和(自身を含む): 44581530168

約数和(自身を除く): 23353696148

約数列:

[1, 2, 4, 5, 10, 20, 19861, 39722, 53441, 79444, 99305, 106882, 198610, 213764, 267205, 397220, 534410, 1068820, 1061391701, 2122783402, 4245566804, 5306958505, 10613917010, 21227834020]

約数ペア:

[(1, 21227834020), (2, 10613917010), (4, 5306958505), (5, 4245566804), (10, 2122783402), (20, 1061391701), (19861, 1068820), (39722, 534410), (53441, 397220), (79444, 267205), (99305, 213764), (106882, 198610)]