21061245

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45293}}^1$

素因数の和:45332

約数の個数: 16

約数和(自身を含む): 34785792

約数和(自身を除く): 13724547

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 45293, 135879, 226465, 679395, 1404083, 4212249, 7020415, 21061245]

約数ペア:

[(1, 21061245), (3, 7020415), (5, 4212249), (15, 1404083), (31, 679395), (93, 226465), (155, 135879), (465, 45293)]