21148311

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1193}}^1$

素因数の和:1526

約数の個数: 16

約数和(自身を含む): 29802240

約数和(自身を除く): 8653929

約数列:

[1, 3, 19, 57, 311, 933, 1193, 3579, 5909, 17727, 22667, 68001, 371023, 1113069, 7049437, 21148311]

約数ペア:

[(1, 21148311), (3, 7049437), (19, 1113069), (57, 371023), (311, 68001), (933, 22667), (1193, 17727), (3579, 5909)]