21118686

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{42407}}^1$

素因数の和:42495

約数の個数: 16

約数和(自身を含む): 42747264

約数和(自身を除く): 21628578

約数列:

[1, 2, 3, 6, 83, 166, 249, 498, 42407, 84814, 127221, 254442, 3519781, 7039562, 10559343, 21118686]

約数ペア:

[(1, 21118686), (2, 10559343), (3, 7039562), (6, 3519781), (83, 254442), (166, 127221), (249, 84814), (498, 42407)]