21000886209

素因数分解:

$3^2\times {\mathrm{2089}}^1\times {\mathrm{1117009}}^1$

素因数の和:1119104

約数の個数: 12

約数和(自身を含む): 30349161700

約数和(自身を除く): 9348275491

約数列:

[1, 3, 9, 2089, 6267, 18801, 1117009, 3351027, 10053081, 2333431801, 7000295403, 21000886209]

約数ペア:

[(1, 21000886209), (3, 7000295403), (9, 2333431801), (2089, 10053081), (6267, 3351027), (18801, 1117009)]