21577500

素因数分解:

$2^2\times 3^2\times 5^4\times 7^1\times {\mathrm{137}}^1$

素因数の和:174

約数の個数: 180

約数和(自身を含む): 78462384

約数和(自身を除く): 56884884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 137, 140, 150, 175, 180, 210, 225, 250, 252, 274, 300, 315, 350, 375, 411, 420, 450, 500, 525, 548, 625, 630, 685, 700, 750, 822, 875, 900, 959, 1050, 1125, 1233, 1250, 1260, 1370, 1500, 1575, 1644, 1750, 1875, 1918, 2055, 2100, 2250, 2466, 2500, 2625, 2740, 2877, 3150, 3425, 3500, 3750, 3836, 4110, 4375, 4500, 4795, 4932, 5250, 5625, 5754, 6165, 6300, 6850, 7500, 7875, 8220, 8631, 8750, 9590, 10275, 10500, 11250, 11508, 12330, 13125, 13700, 14385, 15750, 17125, 17262, 17500, 19180, 20550, 22500, 23975, 24660, 26250, 28770, 30825, 31500, 34250, 34524, 39375, 41100, 43155, 47950, 51375, 52500, 57540, 61650, 68500, 71925, 78750, 85625, 86310, 95900, 102750, 119875, 123300, 143850, 154125, 157500, 171250, 172620, 205500, 215775, 239750, 256875, 287700, 308250, 342500, 359625, 431550, 479500, 513750, 599375, 616500, 719250, 770625, 863100, 1027500, 1078875, 1198750, 1438500, 1541250, 1798125, 2157750, 2397500, 3082500, 3596250, 4315500, 5394375, 7192500, 10788750, 21577500]

約数ペア:

[(1, 21577500), (2, 10788750), (3, 7192500), (4, 5394375), (5, 4315500), (6, 3596250), (7, 3082500), (9, 2397500), (10, 2157750), (12, 1798125), (14, 1541250), (15, 1438500), (18, 1198750), (20, 1078875), (21, 1027500), (25, 863100), (28, 770625), (30, 719250), (35, 616500), (36, 599375), (42, 513750), (45, 479500), (50, 431550), (60, 359625), (63, 342500), (70, 308250), (75, 287700), (84, 256875), (90, 239750), (100, 215775), (105, 205500), (125, 172620), (126, 171250), (137, 157500), (140, 154125), (150, 143850), (175, 123300), (180, 119875), (210, 102750), (225, 95900), (250, 86310), (252, 85625), (274, 78750), (300, 71925), (315, 68500), (350, 61650), (375, 57540), (411, 52500), (420, 51375), (450, 47950), (500, 43155), (525, 41100), (548, 39375), (625, 34524), (630, 34250), (685, 31500), (700, 30825), (750, 28770), (822, 26250), (875, 24660), (900, 23975), (959, 22500), (1050, 20550), (1125, 19180), (1233, 17500), (1250, 17262), (1260, 17125), (1370, 15750), (1500, 14385), (1575, 13700), (1644, 13125), (1750, 12330), (1875, 11508), (1918, 11250), (2055, 10500), (2100, 10275), (2250, 9590), (2466, 8750), (2500, 8631), (2625, 8220), (2740, 7875), (2877, 7500), (3150, 6850), (3425, 6300), (3500, 6165), (3750, 5754), (3836, 5625), (4110, 5250), (4375, 4932), (4500, 4795)]