21026738

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2297}}^1$

素因数の和:2521

約数の個数: 16

約数和(自身を含む): 33091200

約数和(自身を除く): 12064462

約数列:

[1, 2, 23, 46, 199, 398, 2297, 4577, 4594, 9154, 52831, 105662, 457103, 914206, 10513369, 21026738]

約数ペア:

[(1, 21026738), (2, 10513369), (23, 914206), (46, 457103), (199, 105662), (398, 52831), (2297, 9154), (4577, 4594)]