21176890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1069}}^1$

素因数の和:1366

約数の個数: 32

約数和(自身を含む): 43758720

約数和(自身を除く): 22581830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283, 566, 1069, 1415, 1981, 2138, 2830, 3962, 5345, 7483, 9905, 10690, 14966, 19810, 37415, 74830, 302527, 605054, 1512635, 2117689, 3025270, 4235378, 10588445, 21176890]

約数ペア:

[(1, 21176890), (2, 10588445), (5, 4235378), (7, 3025270), (10, 2117689), (14, 1512635), (35, 605054), (70, 302527), (283, 74830), (566, 37415), (1069, 19810), (1415, 14966), (1981, 10690), (2138, 9905), (2830, 7483), (3962, 5345)]