21572919

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{34739}}^1$

素因数の和:34771

約数の個数: 16

約数和(自身を含む): 33350400

約数和(自身を除く): 11777481

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 34739, 104217, 312651, 798997, 937953, 2396991, 7190973, 21572919]

約数ペア:

[(1, 21572919), (3, 7190973), (9, 2396991), (23, 937953), (27, 798997), (69, 312651), (207, 104217), (621, 34739)]