21037588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36779}}^1$

素因数の和:36807

約数の個数: 24

約数和(自身を含む): 43253280

約数和(自身を除く): 22215692

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36779, 73558, 147116, 404569, 478127, 809138, 956254, 1618276, 1912508, 5259397, 10518794, 21037588]

約数ペア:

[(1, 21037588), (2, 10518794), (4, 5259397), (11, 1912508), (13, 1618276), (22, 956254), (26, 809138), (44, 478127), (52, 404569), (143, 147116), (286, 73558), (572, 36779)]