21727895

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10177}}^1$

素因数の和:10250

約数の個数: 16

約数和(自身を含む): 30289728

約数和(自身を除く): 8561833

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 10177, 50885, 71239, 356195, 620797, 3103985, 4345579, 21727895]

約数ペア:

[(1, 21727895), (5, 4345579), (7, 3103985), (35, 620797), (61, 356195), (305, 71239), (427, 50885), (2135, 10177)]