21755745

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43951}}^1$

素因数の和:43973

約数の個数: 24

約数和(自身を含む): 41139072

約数和(自身を除く): 19383327

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 43951, 131853, 219755, 395559, 483461, 659265, 1450383, 1977795, 2417305, 4351149, 7251915, 21755745]

約数ペア:

[(1, 21755745), (3, 7251915), (5, 4351149), (9, 2417305), (11, 1977795), (15, 1450383), (33, 659265), (45, 483461), (55, 395559), (99, 219755), (165, 131853), (495, 43951)]