21128610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{704287}}^1$

素因数の和:704297

約数の個数: 16

約数和(自身を含む): 50708736

約数和(自身を除く): 29580126

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 704287, 1408574, 2112861, 3521435, 4225722, 7042870, 10564305, 21128610]

約数ペア:

[(1, 21128610), (2, 10564305), (3, 7042870), (5, 4225722), (6, 3521435), (10, 2112861), (15, 1408574), (30, 704287)]