21206570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27541}}^1$

素因数の和:27566

約数の個数: 32

約数和(自身を含む): 47592576

約数和(自身を除く): 26386006

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27541, 55082, 137705, 192787, 275410, 302951, 385574, 605902, 963935, 1514755, 1927870, 2120657, 3029510, 4241314, 10603285, 21206570]

約数ペア:

[(1, 21206570), (2, 10603285), (5, 4241314), (7, 3029510), (10, 2120657), (11, 1927870), (14, 1514755), (22, 963935), (35, 605902), (55, 385574), (70, 302951), (77, 275410), (110, 192787), (154, 137705), (385, 55082), (770, 27541)]