The factors of the number 4,221,000 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 67, 70, 72, 75, 84, 90, 100, 105, 120, 125, 126, 134, 140, 150, 168, 175, 180, 200, 201, 210, 225, 250, 252, 268, 280, 300, 315, 335, 350, 360, 375, 402, 420, 450, 469, 500, 504, 525, 536, 600, 603, 630, 670, 700, 750, 804, 840, 875, 900, 938, 1000, 1005, 1050, 1125, 1206, 1260, 1340, 1400, 1407, 1500, 1575, 1608, 1675, 1750, 1800, 1876, 2010, 2100, 2250, 2345, 2412, 2520, 2625, 2680, 2814, 3000, 3015, 3150, 3350, 3500, 3752, 4020, 4200, 4221, 4500, 4690, 4824, 5025, 5250, 5628, 6030, 6300, 6700, 7000, 7035, 7875, 8040, 8375, 8442, 9000, 9380, 10050, 10500, 11256, 11725, 12060, 12600, 13400, 14070, 15075, 15750, 16750, 16884, 18760, 20100, 21000, 21105, 23450, 24120, 25125, 28140, 30150, 31500, 33500, 33768, 35175, 40200, 42210, 46900, 50250, 56280, 58625, 60300, 63000, 67000, 70350, 75375, 84420, 93800, 100500, 105525, 117250, 120600, 140700, 150750, 168840, 175875, 201000, 211050, 234500, 281400, 301500, 351750, 422100, 469000, 527625, 603000, 703500, 844200, 1055250, 1407000, 2110500, 4221000.
If you add them up, you will get the total of 4,221,012. Now subtract 4,221,000 to get 12,327,480