21606261

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{3191}}^1$

素因数の和:3292

約数の個数: 16

約数和(自身を含む): 30081408

約数和(自身を除く): 8475147

約数列:

[1, 3, 37, 61, 111, 183, 2257, 3191, 6771, 9573, 118067, 194651, 354201, 583953, 7202087, 21606261]

約数ペア:

[(1, 21606261), (3, 7202087), (37, 583953), (61, 354201), (111, 194651), (183, 118067), (2257, 9573), (3191, 6771)]