21350433

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28813}}^1$

素因数の和:28848

約数の個数: 16

約数和(自身を含む): 32271680

約数和(自身を除く): 10921247

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 28813, 86439, 374569, 547447, 1123707, 1642341, 7116811, 21350433]

約数ペア:

[(1, 21350433), (3, 7116811), (13, 1642341), (19, 1123707), (39, 547447), (57, 374569), (247, 86439), (741, 28813)]