2021621721

素因数分解:

$3^1\times 7^1\times {\mathrm{96267701}}^1$

素因数の和:96267711

約数の個数: 8

約数和(自身を含む): 3080566464

約数和(自身を除く): 1058944743

約数列:

[1, 3, 7, 21, 96267701, 288803103, 673873907, 2021621721]

約数ペア:

[(1, 2021621721), (3, 673873907), (7, 288803103), (21, 96267701)]