21510495

素因数分解:

$3^3\times 5^1\times {\mathrm{159337}}^1$

素因数の和:159351

約数の個数: 16

約数和(自身を含む): 38241120

約数和(自身を除く): 16730625

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 159337, 478011, 796685, 1434033, 2390055, 4302099, 7170165, 21510495]

約数ペア:

[(1, 21510495), (3, 7170165), (5, 4302099), (9, 2390055), (15, 1434033), (27, 796685), (45, 478011), (135, 159337)]