21976570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28541}}^1$

素因数の和:28566

約数の個数: 32

約数和(自身を含む): 49320576

約数和(自身を除く): 27344006

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 28541, 57082, 142705, 199787, 285410, 313951, 399574, 627902, 998935, 1569755, 1997870, 2197657, 3139510, 4395314, 10988285, 21976570]

約数ペア:

[(1, 21976570), (2, 10988285), (5, 4395314), (7, 3139510), (10, 2197657), (11, 1997870), (14, 1569755), (22, 998935), (35, 627902), (55, 399574), (70, 313951), (77, 285410), (110, 199787), (154, 142705), (385, 57082), (770, 28541)]