21118060

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5471}}^1$

素因数の和:5673

約数の個数: 24

約数和(自身を含む): 44585856

約数和(自身を除く): 23467796

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 5471, 10942, 21884, 27355, 54710, 109420, 1055903, 2111806, 4223612, 5279515, 10559030, 21118060]

約数ペア:

[(1, 21118060), (2, 10559030), (4, 5279515), (5, 4223612), (10, 2111806), (20, 1055903), (193, 109420), (386, 54710), (772, 27355), (965, 21884), (1930, 10942), (3860, 5471)]