21970468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{941}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 41542200

約数和(自身を除く): 19571732

約数列:

[1, 2, 4, 13, 26, 52, 449, 898, 941, 1796, 1882, 3764, 5837, 11674, 12233, 23348, 24466, 48932, 422509, 845018, 1690036, 5492617, 10985234, 21970468]

約数ペア:

[(1, 21970468), (2, 10985234), (4, 5492617), (13, 1690036), (26, 845018), (52, 422509), (449, 48932), (898, 24466), (941, 23348), (1796, 12233), (1882, 11674), (3764, 5837)]