21404024

素因数分解:

$2^3\times {\mathrm{43}}^2\times {\mathrm{1447}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 41115960

約数和(自身を除く): 19711936

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 1447, 1849, 2894, 3698, 5788, 7396, 11576, 14792, 62221, 124442, 248884, 497768, 2675503, 5351006, 10702012, 21404024]

約数ペア:

[(1, 21404024), (2, 10702012), (4, 5351006), (8, 2675503), (43, 497768), (86, 248884), (172, 124442), (344, 62221), (1447, 14792), (1849, 11576), (2894, 7396), (3698, 5788)]