21029844

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{509}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 53807040

約数和(自身を除く): 32777196

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 313, 509, 626, 939, 1018, 1252, 1527, 1878, 2036, 3054, 3443, 3756, 5599, 6108, 6886, 10329, 11198, 13772, 16797, 20658, 22396, 33594, 41316, 67188, 159317, 318634, 477951, 637268, 955902, 1752487, 1911804, 3504974, 5257461, 7009948, 10514922, 21029844]

約数ペア:

[(1, 21029844), (2, 10514922), (3, 7009948), (4, 5257461), (6, 3504974), (11, 1911804), (12, 1752487), (22, 955902), (33, 637268), (44, 477951), (66, 318634), (132, 159317), (313, 67188), (509, 41316), (626, 33594), (939, 22396), (1018, 20658), (1252, 16797), (1527, 13772), (1878, 11198), (2036, 10329), (3054, 6886), (3443, 6108), (3756, 5599)]