The factors of the number 6,444,000 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 125, 144, 150, 160, 179, 180, 200, 225, 240, 250, 288, 300, 358, 360, 375, 400, 450, 480, 500, 537, 600, 716, 720, 750, 800, 895, 900, 1000, 1074, 1125, 1200, 1432, 1440, 1500, 1611, 1790, 1800, 2000, 2148, 2250, 2400, 2685, 2864, 3000, 3222, 3580, 3600, 4000, 4296, 4475, 4500, 5370, 5728, 6000, 6444, 7160, 7200, 8055, 8592, 8950, 9000, 10740, 12000, 12888, 13425, 14320, 16110, 17184, 17900, 18000, 21480, 22375, 25776, 26850, 28640, 32220, 35800, 36000, 40275, 42960, 44750, 51552, 53700, 64440, 67125, 71600, 80550, 85920, 89500, 107400, 128880, 134250, 143200, 161100, 179000, 201375, 214800, 257760, 268500, 322200, 358000, 402750, 429600, 537000, 644400, 716000, 805500, 1074000, 1288800, 1611000, 2148000, 3222000, 6444000.
If you add them up, you will get the total of 6,444,016. Now subtract 6,444,000 to get 16,553,520