21237635

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{757}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 26487552

約数和(自身を除く): 5249917

約数列:

[1, 5, 31, 155, 181, 757, 905, 3785, 5611, 23467, 28055, 117335, 137017, 685085, 4247527, 21237635]

約数ペア:

[(1, 21237635), (5, 4247527), (31, 685085), (155, 137017), (181, 117335), (757, 28055), (905, 23467), (3785, 5611)]