21042076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4643}}^1$

素因数の和:4761

約数の個数: 24

約数和(自身を含む): 40569984

約数和(自身を除く): 19527908

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 4643, 9286, 18572, 51073, 102146, 204292, 478229, 956458, 1912916, 5260519, 10521038, 21042076]

約数ペア:

[(1, 21042076), (2, 10521038), (4, 5260519), (11, 1912916), (22, 956458), (44, 478229), (103, 204292), (206, 102146), (412, 51073), (1133, 18572), (2266, 9286), (4532, 4643)]