21276081

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{34261}}^1$

素因数の和:34293

約数の個数: 16

約数和(自身を含む): 32891520

約数和(自身を除く): 11615439

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 34261, 102783, 308349, 788003, 925047, 2364009, 7092027, 21276081]

約数ペア:

[(1, 21276081), (3, 7092027), (9, 2364009), (23, 925047), (27, 788003), (69, 308349), (207, 102783), (621, 34261)]