21993609141

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:811

約数の個数: 96

約数和(自身を含む): 37698455808

約数和(自身を除く): 15704846667

約数列:

[1, 3, 7, 9, 21, 63, 67, 73, 137, 201, 219, 411, 469, 511, 521, 603, 657, 959, 1233, 1407, 1533, 1563, 2877, 3647, 4221, 4599, 4689, 4891, 8631, 9179, 10001, 10941, 14673, 27537, 30003, 32823, 34237, 34907, 38033, 44019, 64253, 70007, 71377, 82611, 90009, 102711, 104721, 114099, 192759, 210021, 214131, 244349, 266231, 308133, 314163, 342297, 499639, 578277, 630063, 642393, 670067, 733047, 798693, 1498917, 2010201, 2199141, 2396079, 2548211, 4496751, 4690469, 4782259, 5210521, 6030603, 7644633, 14071407, 14346777, 15631563, 17837477, 22933899, 33475813, 36473647, 42214221, 43040331, 46894689, 53512431, 100427439, 109420941, 160537293, 301282317, 328262823, 349104907, 1047314721, 2443734349, 3141944163, 7331203047, 21993609141]

約数ペア:

[(1, 21993609141), (3, 7331203047), (7, 3141944163), (9, 2443734349), (21, 1047314721), (63, 349104907), (67, 328262823), (73, 301282317), (137, 160537293), (201, 109420941), (219, 100427439), (411, 53512431), (469, 46894689), (511, 43040331), (521, 42214221), (603, 36473647), (657, 33475813), (959, 22933899), (1233, 17837477), (1407, 15631563), (1533, 14346777), (1563, 14071407), (2877, 7644633), (3647, 6030603), (4221, 5210521), (4599, 4782259), (4689, 4690469), (4891, 4496751), (8631, 2548211), (9179, 2396079), (10001, 2199141), (10941, 2010201), (14673, 1498917), (27537, 798693), (30003, 733047), (32823, 670067), (34237, 642393), (34907, 630063), (38033, 578277), (44019, 499639), (64253, 342297), (70007, 314163), (71377, 308133), (82611, 266231), (90009, 244349), (102711, 214131), (104721, 210021), (114099, 192759)]