21384251014

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{105977}}^1$

素因数の和:106093

約数の個数: 48

約数和(自身を含む): 39144034080

約数和(自身を除く): 17759783066

約数列:

[1, 2, 7, 14, 29, 49, 58, 71, 98, 142, 203, 406, 497, 994, 1421, 2059, 2842, 3479, 4118, 6958, 14413, 28826, 100891, 105977, 201782, 211954, 741839, 1483678, 3073333, 5192873, 6146666, 7524367, 10385746, 15048734, 21513331, 43026662, 52670569, 105341138, 150593317, 218206643, 301186634, 368693983, 436413286, 737387966, 1527446501, 3054893002, 10692125507, 21384251014]

約数ペア:

[(1, 21384251014), (2, 10692125507), (7, 3054893002), (14, 1527446501), (29, 737387966), (49, 436413286), (58, 368693983), (71, 301186634), (98, 218206643), (142, 150593317), (203, 105341138), (406, 52670569), (497, 43026662), (994, 21513331), (1421, 15048734), (2059, 10385746), (2842, 7524367), (3479, 6146666), (4118, 5192873), (6958, 3073333), (14413, 1483678), (28826, 741839), (100891, 211954), (105977, 201782)]