21266121

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 28814144

約数和(自身を除く): 7548023

約数列:

[1, 3, 157, 163, 277, 471, 489, 831, 25591, 43489, 45151, 76773, 130467, 135453, 7088707, 21266121]

約数ペア:

[(1, 21266121), (3, 7088707), (157, 135453), (163, 130467), (277, 76773), (471, 45151), (489, 43489), (831, 25591)]