21000916533

素因数分解:

$3^1\times {\mathrm{719}}^1\times {\mathrm{9736169}}^1$

素因数の和:9736891

約数の個数: 8

約数和(自身を含む): 28040169600

約数和(自身を除く): 7039253067

約数列:

[1, 3, 719, 2157, 9736169, 29208507, 7000305511, 21000916533]

約数ペア:

[(1, 21000916533), (3, 7000305511), (719, 29208507), (2157, 9736169)]