21088022417

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{349}}^1\times {\mathrm{71339}}^1$

素因数の和:71717

約数の個数: 24

約数和(自身を含む): 26567016000

約数和(自身を除く): 5478993583

約数列:

[1, 7, 11, 77, 121, 349, 847, 2443, 3839, 26873, 42229, 71339, 295603, 499373, 784729, 5493103, 8632019, 24897311, 60424133, 174281177, 273870421, 1917092947, 3012574631, 21088022417]

約数ペア:

[(1, 21088022417), (7, 3012574631), (11, 1917092947), (77, 273870421), (121, 174281177), (349, 60424133), (847, 24897311), (2443, 8632019), (3839, 5493103), (26873, 784729), (42229, 499373), (71339, 295603)]