21660604

素因数分解:

$2^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2753}}^1$

素因数の和:3045

約数の個数: 24

約数和(自身を含む): 43491168

約数和(自身を除く): 21830564

約数列:

[1, 2, 4, 7, 14, 28, 281, 562, 1124, 1967, 2753, 3934, 5506, 7868, 11012, 19271, 38542, 77084, 773593, 1547186, 3094372, 5415151, 10830302, 21660604]

約数ペア:

[(1, 21660604), (2, 10830302), (4, 5415151), (7, 3094372), (14, 1547186), (28, 773593), (281, 77084), (562, 38542), (1124, 19271), (1967, 11012), (2753, 7868), (3934, 5506)]