21818868

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{25609}}^1$

素因数の和:25687

約数の個数: 24

約数和(自身を含む): 51629760

約数和(自身を除く): 29810892

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 25609, 51218, 76827, 102436, 153654, 307308, 1818239, 3636478, 5454717, 7272956, 10909434, 21818868]

約数ペア:

[(1, 21818868), (2, 10909434), (3, 7272956), (4, 5454717), (6, 3636478), (12, 1818239), (71, 307308), (142, 153654), (213, 102436), (284, 76827), (426, 51218), (852, 25609)]