21099972

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16433}}^1$

素因数の和:16547

約数の個数: 24

約数和(自身を含む): 49696416

約数和(自身を除く): 28596444

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16433, 32866, 49299, 65732, 98598, 197196, 1758331, 3516662, 5274993, 7033324, 10549986, 21099972]

約数ペア:

[(1, 21099972), (2, 10549986), (3, 7033324), (4, 5274993), (6, 3516662), (12, 1758331), (107, 197196), (214, 98598), (321, 65732), (428, 49299), (642, 32866), (1284, 16433)]