21933099

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 40

約数和(自身を含む): 34929312

約数和(自身を除く): 12996213

約数列:

[1, 3, 9, 23, 27, 61, 69, 81, 183, 193, 207, 549, 579, 621, 1403, 1647, 1737, 1863, 4209, 4439, 4941, 5211, 11773, 12627, 13317, 15633, 35319, 37881, 39951, 105957, 113643, 119853, 270779, 317871, 359559, 812337, 953613, 2437011, 7311033, 21933099]

約数ペア:

[(1, 21933099), (3, 7311033), (9, 2437011), (23, 953613), (27, 812337), (61, 359559), (69, 317871), (81, 270779), (183, 119853), (193, 113643), (207, 105957), (549, 39951), (579, 37881), (621, 35319), (1403, 15633), (1647, 13317), (1737, 12627), (1863, 11773), (4209, 5211), (4439, 4941)]