21000978876

素因数分解:

$2^2\times 3^1\times {\mathrm{1750081573}}^1$

素因数の和:1750081580

約数の個数: 12

約数和(自身を含む): 49002284072

約数和(自身を除く): 28001305196

約数列:

[1, 2, 3, 4, 6, 12, 1750081573, 3500163146, 5250244719, 7000326292, 10500489438, 21000978876]

約数ペア:

[(1, 21000978876), (2, 10500489438), (3, 7000326292), (4, 5250244719), (6, 3500163146), (12, 1750081573)]