21134795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1931}}^1$

素因数の和:2146

約数の個数: 16

約数和(自身を含む): 27820800

約数和(自身を除く): 6686005

約数列:

[1, 5, 11, 55, 199, 995, 1931, 2189, 9655, 10945, 21241, 106205, 384269, 1921345, 4226959, 21134795]

約数ペア:

[(1, 21134795), (5, 4226959), (11, 1921345), (55, 384269), (199, 106205), (995, 21241), (1931, 10945), (2189, 9655)]