21038467492792

素因数分解:

$2^3\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1\times {\mathrm{261427}}^1$

素因数の和:262136

約数の個数: 64

約数和(自身を含む): 40038482484000

約数和(自身を除く): 19000014991208

約数列:

[1, 2, 4, 8, 149, 181, 298, 362, 373, 596, 724, 746, 1192, 1448, 1492, 2984, 26969, 53938, 55577, 67513, 107876, 111154, 135026, 215752, 222308, 261427, 270052, 444616, 522854, 540104, 1045708, 2091416, 10059437, 20118874, 38952623, 40237748, 47318287, 77905246, 80475496, 94636574, 97512271, 155810492, 189273148, 195024542, 311620984, 378546296, 390049084, 780098168, 7050424763, 14100849526, 14529328379, 17649721051, 28201699052, 29058656758, 35299442102, 56403398104, 58117313516, 70598884204, 116234627032, 141197768408, 2629808436599, 5259616873198, 10519233746396, 21038467492792]

約数ペア:

[(1, 21038467492792), (2, 10519233746396), (4, 5259616873198), (8, 2629808436599), (149, 141197768408), (181, 116234627032), (298, 70598884204), (362, 58117313516), (373, 56403398104), (596, 35299442102), (724, 29058656758), (746, 28201699052), (1192, 17649721051), (1448, 14529328379), (1492, 14100849526), (2984, 7050424763), (26969, 780098168), (53938, 390049084), (55577, 378546296), (67513, 311620984), (107876, 195024542), (111154, 189273148), (135026, 155810492), (215752, 97512271), (222308, 94636574), (261427, 80475496), (270052, 77905246), (444616, 47318287), (522854, 40237748), (540104, 38952623), (1045708, 20118874), (2091416, 10059437)]