21000969594

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{1303}}^1\times {\mathrm{81401}}^1$

素因数の和:82723

約数の個数: 48

約数和(自身を含む): 49677361344

約数和(自身を除く): 28676391750

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 1303, 2606, 3909, 7818, 11727, 14333, 23454, 28666, 42999, 81401, 85998, 128997, 162802, 244203, 257994, 488406, 732609, 895411, 1465218, 1790822, 2686233, 5372466, 8058699, 16117398, 106065503, 212131006, 318196509, 636393018, 954589527, 1166720533, 1909179054, 2333441066, 3500161599, 7000323198, 10500484797, 21000969594]

約数ペア:

[(1, 21000969594), (2, 10500484797), (3, 7000323198), (6, 3500161599), (9, 2333441066), (11, 1909179054), (18, 1166720533), (22, 954589527), (33, 636393018), (66, 318196509), (99, 212131006), (198, 106065503), (1303, 16117398), (2606, 8058699), (3909, 5372466), (7818, 2686233), (11727, 1790822), (14333, 1465218), (23454, 895411), (28666, 732609), (42999, 488406), (81401, 257994), (85998, 244203), (128997, 162802)]