21000906396

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{16811}}^1$

素因数の和:17136

約数の個数: 96

約数和(自身を含む): 55923436800

約数和(自身を除く): 34922530404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 269, 387, 516, 538, 774, 807, 1076, 1161, 1548, 1614, 2322, 2421, 3228, 4644, 4842, 7263, 9684, 11567, 14526, 16811, 23134, 29052, 33622, 34701, 46268, 50433, 67244, 69402, 100866, 104103, 138804, 151299, 201732, 208206, 302598, 312309, 416412, 453897, 605196, 624618, 722873, 907794, 1249236, 1445746, 1815588, 2168619, 2891492, 4337238, 4522159, 6505857, 8674476, 9044318, 13011714, 13566477, 18088636, 19517571, 26023428, 27132954, 39035142, 40699431, 54265908, 78070284, 81398862, 122098293, 162797724, 194452837, 244196586, 388905674, 488393172, 583358511, 777811348, 1166717022, 1750075533, 2333434044, 3500151066, 5250226599, 7000302132, 10500453198, 21000906396]

約数ペア:

[(1, 21000906396), (2, 10500453198), (3, 7000302132), (4, 5250226599), (6, 3500151066), (9, 2333434044), (12, 1750075533), (18, 1166717022), (27, 777811348), (36, 583358511), (43, 488393172), (54, 388905674), (86, 244196586), (108, 194452837), (129, 162797724), (172, 122098293), (258, 81398862), (269, 78070284), (387, 54265908), (516, 40699431), (538, 39035142), (774, 27132954), (807, 26023428), (1076, 19517571), (1161, 18088636), (1548, 13566477), (1614, 13011714), (2322, 9044318), (2421, 8674476), (3228, 6505857), (4644, 4522159), (4842, 4337238), (7263, 2891492), (9684, 2168619), (11567, 1815588), (14526, 1445746), (16811, 1249236), (23134, 907794), (29052, 722873), (33622, 624618), (34701, 605196), (46268, 453897), (50433, 416412), (67244, 312309), (69402, 302598), (100866, 208206), (104103, 201732), (138804, 151299)]