The factors of the number 7,770,000 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 37, 40, 42, 48, 50, 56, 60, 70, 74, 75, 80, 84, 100, 105, 111, 112, 120, 125, 140, 148, 150, 168, 175, 185, 200, 210, 222, 240, 250, 259, 280, 296, 300, 336, 350, 370, 375, 400, 420, 444, 500, 518, 525, 555, 560, 592, 600, 625, 700, 740, 750, 777, 840, 875, 888, 925, 1000, 1036, 1050, 1110, 1200, 1250, 1295, 1400, 1480, 1500, 1554, 1680, 1750, 1776, 1850, 1875, 2000, 2072, 2100, 2220, 2500, 2590, 2625, 2775, 2800, 2960, 3000, 3108, 3500, 3700, 3750, 3885, 4144, 4200, 4375, 4440, 4625, 5000, 5180, 5250, 5550, 6000, 6216, 6475, 7000, 7400, 7500, 7770, 8400, 8750, 8880, 9250, 10000, 10360, 10500, 11100, 12432, 12950, 13125, 13875, 14000, 14800, 15000, 15540, 17500, 18500, 19425, 20720, 21000, 22200, 23125, 25900, 26250, 27750, 30000, 31080, 32375, 35000, 37000, 38850, 42000, 44400, 46250, 51800, 52500, 55500, 62160, 64750, 69375, 70000, 74000, 77700, 92500, 97125, 103600, 105000, 111000, 129500, 138750, 155400, 161875, 185000, 194250, 210000, 222000, 259000, 277500, 310800, 323750, 370000, 388500, 485625, 518000, 555000, 647500, 777000, 971250, 1110000, 1295000, 1554000, 1942500, 2590000, 3885000, 7770000.
If you add them up, you will get the total of 7,770,021. Now subtract 7,770,000 to get 21,670,576