21206472

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126229}}^1$

素因数の和:126245

約数の個数: 32

約数和(自身を含む): 60590400

約数和(自身を除く): 39383928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126229, 252458, 378687, 504916, 757374, 883603, 1009832, 1514748, 1767206, 2650809, 3029496, 3534412, 5301618, 7068824, 10603236, 21206472]

約数ペア:

[(1, 21206472), (2, 10603236), (3, 7068824), (4, 5301618), (6, 3534412), (7, 3029496), (8, 2650809), (12, 1767206), (14, 1514748), (21, 1009832), (24, 883603), (28, 757374), (42, 504916), (56, 378687), (84, 252458), (168, 126229)]