21139967948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{45893}}^1$

素因数の和:45975

約数の個数: 72

約数和(自身を含む): 44063747280

約数和(自身を除く): 22923779332

約数列:

[1, 2, 4, 11, 19, 22, 29, 38, 44, 58, 76, 116, 209, 319, 361, 418, 551, 638, 722, 836, 1102, 1276, 1444, 2204, 3971, 6061, 7942, 10469, 12122, 15884, 20938, 24244, 41876, 45893, 91786, 115159, 183572, 230318, 460636, 504823, 871967, 1009646, 1330897, 1743934, 2019292, 2661794, 3487868, 5323588, 9591637, 14639867, 16567373, 19183274, 25287043, 29279734, 33134746, 38366548, 50574086, 58559468, 66269492, 101148172, 182241103, 278157473, 364482206, 480453817, 556314946, 728964412, 960907634, 1112629892, 1921815268, 5284991987, 10569983974, 21139967948]

約数ペア:

[(1, 21139967948), (2, 10569983974), (4, 5284991987), (11, 1921815268), (19, 1112629892), (22, 960907634), (29, 728964412), (38, 556314946), (44, 480453817), (58, 364482206), (76, 278157473), (116, 182241103), (209, 101148172), (319, 66269492), (361, 58559468), (418, 50574086), (551, 38366548), (638, 33134746), (722, 29279734), (836, 25287043), (1102, 19183274), (1276, 16567373), (1444, 14639867), (2204, 9591637), (3971, 5323588), (6061, 3487868), (7942, 2661794), (10469, 2019292), (12122, 1743934), (15884, 1330897), (20938, 1009646), (24244, 871967), (41876, 504823), (45893, 460636), (91786, 230318), (115159, 183572)]