20211076893

素因数分解:

$3^1\times 7^2\times {\mathrm{137490319}}^1$

素因数の和:137490336

約数の個数: 12

約数和(自身を含む): 31347792960

約数和(自身を除く): 11136716067

約数列:

[1, 3, 7, 21, 49, 147, 137490319, 412470957, 962432233, 2887296699, 6737025631, 20211076893]

約数ペア:

[(1, 20211076893), (3, 6737025631), (7, 2887296699), (21, 962432233), (49, 412470957), (147, 137490319)]