21810087

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{62137}}^1$

素因数の和:62159

約数の個数: 16

約数和(自身を含む): 34797280

約数和(自身を除く): 12987193

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 62137, 186411, 559233, 807781, 1677699, 2423343, 7270029, 21810087]

約数ペア:

[(1, 21810087), (3, 7270029), (9, 2423343), (13, 1677699), (27, 807781), (39, 559233), (117, 186411), (351, 62137)]