21046665

素因数分解:

$3^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1979}}^1$

素因数の和:2696

約数の個数: 16

約数和(自身を含む): 33739200

約数和(自身を除く): 12692535

約数列:

[1, 3, 5, 15, 709, 1979, 2127, 3545, 5937, 9895, 10635, 29685, 1403111, 4209333, 7015555, 21046665]

約数ペア:

[(1, 21046665), (3, 7015555), (5, 4209333), (15, 1403111), (709, 29685), (1979, 10635), (2127, 9895), (3545, 5937)]