21693393

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 33895680

約数和(自身を除く): 12202287

約数列:

[1, 3, 9, 23, 27, 69, 181, 193, 207, 543, 579, 621, 1629, 1737, 4163, 4439, 4887, 5211, 12489, 13317, 34933, 37467, 39951, 104799, 112401, 119853, 314397, 803459, 943191, 2410377, 7231131, 21693393]

約数ペア:

[(1, 21693393), (3, 7231131), (9, 2410377), (23, 943191), (27, 803459), (69, 314397), (181, 119853), (193, 112401), (207, 104799), (543, 39951), (579, 37467), (621, 34933), (1629, 13317), (1737, 12489), (4163, 5211), (4439, 4887)]