2021909757

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5067443}}^1$

素因数の和:5067472

約数の個数: 16

約数和(自身を含む): 3243164160

約数和(自身を除く): 1221254403

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5067443, 15202329, 35472101, 96281417, 106416303, 288844251, 673969919, 2021909757]

約数ペア:

[(1, 2021909757), (3, 673969919), (7, 288844251), (19, 106416303), (21, 96281417), (57, 35472101), (133, 15202329), (399, 5067443)]