21058030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1063}}^1$

素因数の和:1360

約数の個数: 32

約数和(自身を含む): 43513344

約数和(自身を除く): 22455314

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283, 566, 1063, 1415, 1981, 2126, 2830, 3962, 5315, 7441, 9905, 10630, 14882, 19810, 37205, 74410, 300829, 601658, 1504145, 2105803, 3008290, 4211606, 10529015, 21058030]

約数ペア:

[(1, 21058030), (2, 10529015), (5, 4211606), (7, 3008290), (10, 2105803), (14, 1504145), (35, 601658), (70, 300829), (283, 74410), (566, 37205), (1063, 19810), (1415, 14882), (1981, 10630), (2126, 9905), (2830, 7441), (3962, 5315)]