21086445737

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{433}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 27102265344

約数和(自身を除く): 6015819607

約数列:

[1, 7, 17, 31, 43, 119, 217, 301, 307, 433, 527, 731, 1333, 2149, 3031, 3689, 5117, 5219, 7361, 9331, 9517, 13201, 13423, 18619, 22661, 36533, 51527, 66619, 92407, 93961, 130333, 132931, 158627, 161789, 224417, 228191, 316523, 409231, 577189, 930517, 1132523, 1570919, 1597337, 2215661, 2259827, 2864617, 4040323, 4120861, 5716033, 6956927, 9812213, 15818789, 28846027, 40012231, 48698489, 68685491, 70054637, 97172561, 177197023, 490382459, 680207927, 1240379161, 3012349391, 21086445737]

約数ペア:

[(1, 21086445737), (7, 3012349391), (17, 1240379161), (31, 680207927), (43, 490382459), (119, 177197023), (217, 97172561), (301, 70054637), (307, 68685491), (433, 48698489), (527, 40012231), (731, 28846027), (1333, 15818789), (2149, 9812213), (3031, 6956927), (3689, 5716033), (5117, 4120861), (5219, 4040323), (7361, 2864617), (9331, 2259827), (9517, 2215661), (13201, 1597337), (13423, 1570919), (18619, 1132523), (22661, 930517), (36533, 577189), (51527, 409231), (66619, 316523), (92407, 228191), (93961, 224417), (130333, 161789), (132931, 158627)]