21218650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{18451}}^1$

素因数の和:18486

約数の個数: 24

約数和(自身を含む): 41184864

約数和(自身を除く): 19966214

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 18451, 36902, 92255, 184510, 424373, 461275, 848746, 922550, 2121865, 4243730, 10609325, 21218650]

約数ペア:

[(1, 21218650), (2, 10609325), (5, 4243730), (10, 2121865), (23, 922550), (25, 848746), (46, 461275), (50, 424373), (115, 184510), (230, 92255), (575, 36902), (1150, 18451)]