21228756

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41141}}^1$

素因数の和:41191

約数の個数: 24

約数和(自身を含む): 50686944

約数和(自身を除く): 29458188

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41141, 82282, 123423, 164564, 246846, 493692, 1769063, 3538126, 5307189, 7076252, 10614378, 21228756]

約数ペア:

[(1, 21228756), (2, 10614378), (3, 7076252), (4, 5307189), (6, 3538126), (12, 1769063), (43, 493692), (86, 246846), (129, 164564), (172, 123423), (258, 82282), (516, 41141)]