21886418

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:761

約数の個数: 16

約数和(自身を含む): 33331200

約数和(自身を除く): 11444782

約数列:

[1, 2, 127, 199, 254, 398, 433, 866, 25273, 50546, 54991, 86167, 109982, 172334, 10943209, 21886418]

約数ペア:

[(1, 21886418), (2, 10943209), (127, 172334), (199, 109982), (254, 86167), (398, 54991), (433, 50546), (866, 25273)]