21082060

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5297}}^1$

素因数の和:5505

約数の個数: 24

約数和(自身を含む): 44503200

約数和(自身を除く): 23421140

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 5297, 10594, 21188, 26485, 52970, 105940, 1054103, 2108206, 4216412, 5270515, 10541030, 21082060]

約数ペア:

[(1, 21082060), (2, 10541030), (4, 5270515), (5, 4216412), (10, 2108206), (20, 1054103), (199, 105940), (398, 52970), (796, 26485), (995, 21188), (1990, 10594), (3980, 5297)]