21299316

素因数分解:

$2^2\times 3^1\times {\mathrm{499}}^1\times {\mathrm{3557}}^1$

素因数の和:4063

約数の個数: 24

約数和(自身を含む): 49812000

約数和(自身を除く): 28512684

約数列:

[1, 2, 3, 4, 6, 12, 499, 998, 1497, 1996, 2994, 3557, 5988, 7114, 10671, 14228, 21342, 42684, 1774943, 3549886, 5324829, 7099772, 10649658, 21299316]

約数ペア:

[(1, 21299316), (2, 10649658), (3, 7099772), (4, 5324829), (6, 3549886), (12, 1774943), (499, 42684), (998, 21342), (1497, 14228), (1996, 10671), (2994, 7114), (3557, 5988)]