21082500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{937}}^1$

素因数の和:967

約数の個数: 90

約数和(自身を含む): 66664598

約数和(自身を除く): 45582098

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 937, 1125, 1250, 1500, 1874, 1875, 2250, 2500, 2811, 3748, 3750, 4500, 4685, 5622, 5625, 7500, 8433, 9370, 11244, 11250, 14055, 16866, 18740, 22500, 23425, 28110, 33732, 42165, 46850, 56220, 70275, 84330, 93700, 117125, 140550, 168660, 210825, 234250, 281100, 351375, 421650, 468500, 585625, 702750, 843300, 1054125, 1171250, 1405500, 1756875, 2108250, 2342500, 3513750, 4216500, 5270625, 7027500, 10541250, 21082500]

約数ペア:

[(1, 21082500), (2, 10541250), (3, 7027500), (4, 5270625), (5, 4216500), (6, 3513750), (9, 2342500), (10, 2108250), (12, 1756875), (15, 1405500), (18, 1171250), (20, 1054125), (25, 843300), (30, 702750), (36, 585625), (45, 468500), (50, 421650), (60, 351375), (75, 281100), (90, 234250), (100, 210825), (125, 168660), (150, 140550), (180, 117125), (225, 93700), (250, 84330), (300, 70275), (375, 56220), (450, 46850), (500, 42165), (625, 33732), (750, 28110), (900, 23425), (937, 22500), (1125, 18740), (1250, 16866), (1500, 14055), (1874, 11250), (1875, 11244), (2250, 9370), (2500, 8433), (2811, 7500), (3748, 5625), (3750, 5622), (4500, 4685)]