21294393

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{673}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 29116800

約数和(自身を除く): 7822407

約数列:

[1, 3, 53, 159, 199, 597, 673, 2019, 10547, 31641, 35669, 107007, 133927, 401781, 7098131, 21294393]

約数ペア:

[(1, 21294393), (3, 7098131), (53, 401781), (159, 133927), (199, 107007), (597, 35669), (673, 31641), (2019, 10547)]