21208488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126241}}^1$

素因数の和:126257

約数の個数: 32

約数和(自身を含む): 60596160

約数和(自身を除く): 39387672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126241, 252482, 378723, 504964, 757446, 883687, 1009928, 1514892, 1767374, 2651061, 3029784, 3534748, 5302122, 7069496, 10604244, 21208488]

約数ペア:

[(1, 21208488), (2, 10604244), (3, 7069496), (4, 5302122), (6, 3534748), (7, 3029784), (8, 2651061), (12, 1767374), (14, 1514892), (21, 1009928), (24, 883687), (28, 757446), (42, 504964), (56, 378723), (84, 252482), (168, 126241)]