21000337400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{211271}}^1$

素因数の和:211365

約数の個数: 96

約数和(自身を含む): 56587092480

約数和(自身を除く): 35586755080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 140, 142, 175, 200, 280, 284, 350, 355, 497, 568, 700, 710, 994, 1400, 1420, 1775, 1988, 2485, 2840, 3550, 3976, 4970, 7100, 9940, 12425, 14200, 19880, 24850, 49700, 99400, 211271, 422542, 845084, 1056355, 1478897, 1690168, 2112710, 2957794, 4225420, 5281775, 5915588, 7394485, 8450840, 10563550, 11831176, 14788970, 15000241, 21127100, 29577940, 30000482, 36972425, 42254200, 59155880, 60000964, 73944850, 75001205, 105001687, 120001928, 147889700, 150002410, 210003374, 295779400, 300004820, 375006025, 420006748, 525008435, 600009640, 750012050, 840013496, 1050016870, 1500024100, 2100033740, 2625042175, 3000048200, 4200067480, 5250084350, 10500168700, 21000337400]

約数ペア:

[(1, 21000337400), (2, 10500168700), (4, 5250084350), (5, 4200067480), (7, 3000048200), (8, 2625042175), (10, 2100033740), (14, 1500024100), (20, 1050016870), (25, 840013496), (28, 750012050), (35, 600009640), (40, 525008435), (50, 420006748), (56, 375006025), (70, 300004820), (71, 295779400), (100, 210003374), (140, 150002410), (142, 147889700), (175, 120001928), (200, 105001687), (280, 75001205), (284, 73944850), (350, 60000964), (355, 59155880), (497, 42254200), (568, 36972425), (700, 30000482), (710, 29577940), (994, 21127100), (1400, 15000241), (1420, 14788970), (1775, 11831176), (1988, 10563550), (2485, 8450840), (2840, 7394485), (3550, 5915588), (3976, 5281775), (4970, 4225420), (7100, 2957794), (9940, 2112710), (12425, 1690168), (14200, 1478897), (19880, 1056355), (24850, 845084), (49700, 422542), (99400, 211271)]