21338181

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{34361}}^1$

素因数の和:34393

約数の個数: 16

約数和(自身を含む): 32987520

約数和(自身を除く): 11649339

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 34361, 103083, 309249, 790303, 927747, 2370909, 7112727, 21338181]

約数ペア:

[(1, 21338181), (3, 7112727), (9, 2370909), (23, 927747), (27, 790303), (69, 309249), (207, 103083), (621, 34361)]