21185600

素因数分解:

$2^6\times 5^2\times {\mathrm{13241}}^1$

素因数の和:13263

約数の個数: 42

約数和(自身を含む): 52133754

約数和(自身を除く): 30948154

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 13241, 26482, 52964, 66205, 105928, 132410, 211856, 264820, 331025, 423712, 529640, 662050, 847424, 1059280, 1324100, 2118560, 2648200, 4237120, 5296400, 10592800, 21185600]

約数ペア:

[(1, 21185600), (2, 10592800), (4, 5296400), (5, 4237120), (8, 2648200), (10, 2118560), (16, 1324100), (20, 1059280), (25, 847424), (32, 662050), (40, 529640), (50, 423712), (64, 331025), (80, 264820), (100, 211856), (160, 132410), (200, 105928), (320, 66205), (400, 52964), (800, 26482), (1600, 13241)]