21342068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21089}}^1$

素因数の和:21127

約数の個数: 24

約数和(自身を含む): 42517440

約数和(自身を除く): 21175372

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21089, 42178, 84356, 231979, 463958, 485047, 927916, 970094, 1940188, 5335517, 10671034, 21342068]

約数ペア:

[(1, 21342068), (2, 10671034), (4, 5335517), (11, 1940188), (22, 970094), (23, 927916), (44, 485047), (46, 463958), (92, 231979), (253, 84356), (506, 42178), (1012, 21089)]