21188652

素因数分解:

$2^2\times 3^1\times {\mathrm{509}}^1\times {\mathrm{3469}}^1$

素因数の和:3985

約数の個数: 24

約数和(自身を含む): 49551600

約数和(自身を除く): 28362948

約数列:

[1, 2, 3, 4, 6, 12, 509, 1018, 1527, 2036, 3054, 3469, 6108, 6938, 10407, 13876, 20814, 41628, 1765721, 3531442, 5297163, 7062884, 10594326, 21188652]

約数ペア:

[(1, 21188652), (2, 10594326), (3, 7062884), (4, 5297163), (6, 3531442), (12, 1765721), (509, 41628), (1018, 20814), (1527, 13876), (2036, 10407), (3054, 6938), (3469, 6108)]