21789482

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1694

約数の個数: 32

約数和(自身を含む): 39239424

約数和(自身を除く): 17449942

約数列:

[1, 2, 11, 13, 22, 26, 47, 94, 143, 286, 517, 611, 1034, 1222, 1621, 3242, 6721, 13442, 17831, 21073, 35662, 42146, 76187, 152374, 231803, 463606, 838057, 990431, 1676114, 1980862, 10894741, 21789482]

約数ペア:

[(1, 21789482), (2, 10894741), (11, 1980862), (13, 1676114), (22, 990431), (26, 838057), (47, 463606), (94, 231803), (143, 152374), (286, 76187), (517, 42146), (611, 35662), (1034, 21073), (1222, 17831), (1621, 13442), (3242, 6721)]