21424836

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41521}}^1$

素因数の和:41571

約数の個数: 24

約数和(自身を含む): 51155104

約数和(自身を除く): 29730268

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41521, 83042, 124563, 166084, 249126, 498252, 1785403, 3570806, 5356209, 7141612, 10712418, 21424836]

約数ペア:

[(1, 21424836), (2, 10712418), (3, 7141612), (4, 5356209), (6, 3570806), (12, 1785403), (43, 498252), (86, 249126), (129, 166084), (172, 124563), (258, 83042), (516, 41521)]