21082204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36857}}^1$

素因数の和:36885

約数の個数: 24

約数和(自身を含む): 43345008

約数和(自身を除く): 22262804

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36857, 73714, 147428, 405427, 479141, 810854, 958282, 1621708, 1916564, 5270551, 10541102, 21082204]

約数ペア:

[(1, 21082204), (2, 10541102), (4, 5270551), (11, 1916564), (13, 1621708), (22, 958282), (26, 810854), (44, 479141), (52, 405427), (143, 147428), (286, 73714), (572, 36857)]