21826581

素因数分解:

$3^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{1373}}^1$

素因数の和:2140

約数の個数: 16

約数和(自身を含む): 33327744

約数和(自身を除く): 11501163

約数列:

[1, 3, 7, 21, 757, 1373, 2271, 4119, 5299, 9611, 15897, 28833, 1039361, 3118083, 7275527, 21826581]

約数ペア:

[(1, 21826581), (3, 7275527), (7, 3118083), (21, 1039361), (757, 28833), (1373, 15897), (2271, 9611), (4119, 5299)]