21475496

素因数分解:

$2^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1987}}^1$

素因数の和:2193

約数の個数: 32

約数和(自身を含む): 46280640

約数和(自身を除く): 24805144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 193, 386, 772, 1351, 1544, 1987, 2702, 3974, 5404, 7948, 10808, 13909, 15896, 27818, 55636, 111272, 383491, 766982, 1533964, 2684437, 3067928, 5368874, 10737748, 21475496]

約数ペア:

[(1, 21475496), (2, 10737748), (4, 5368874), (7, 3067928), (8, 2684437), (14, 1533964), (28, 766982), (56, 383491), (193, 111272), (386, 55636), (772, 27818), (1351, 15896), (1544, 13909), (1987, 10808), (2702, 7948), (3974, 5404)]