21000446972

素因数分解:

$2^2\times {\mathrm{11827}}^1\times {\mathrm{443909}}^1$

素因数の和:455740

約数の個数: 12

約数和(自身を含む): 36753972360

約数和(自身を除く): 15753525388

約数列:

[1, 2, 4, 11827, 23654, 47308, 443909, 887818, 1775636, 5250111743, 10500223486, 21000446972]

約数ペア:

[(1, 21000446972), (2, 10500223486), (4, 5250111743), (11827, 1775636), (23654, 887818), (47308, 443909)]