21142023

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^2\times {\mathrm{107}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 32856192

約数和(自身を除く): 11714169

約数列:

[1, 3, 7, 21, 97, 107, 291, 321, 679, 749, 2037, 2247, 9409, 10379, 28227, 31137, 65863, 72653, 197589, 217959, 1006763, 3020289, 7047341, 21142023]

約数ペア:

[(1, 21142023), (3, 7047341), (7, 3020289), (21, 1006763), (97, 217959), (107, 197589), (291, 72653), (321, 65863), (679, 31137), (749, 28227), (2037, 10379), (2247, 9409)]