21710781

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{34961}}^1$

素因数の和:34993

約数の個数: 16

約数和(自身を含む): 33563520

約数和(自身を除く): 11852739

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 34961, 104883, 314649, 804103, 943947, 2412309, 7236927, 21710781]

約数ペア:

[(1, 21710781), (3, 7236927), (9, 2412309), (23, 943947), (27, 804103), (69, 314649), (207, 104883), (621, 34961)]