The factors of the number 16,200,900 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 47, 50, 60, 75, 90, 94, 100, 141, 150, 180, 188, 225, 235, 282, 300, 383, 423, 450, 470, 564, 705, 766, 846, 900, 940, 1149, 1175, 1410, 1532, 1692, 1915, 2115, 2298, 2350, 2820, 3447, 3525, 3830, 4230, 4596, 4700, 5745, 6894, 7050, 7660, 8460, 9575, 10575, 11490, 13788, 14100, 17235, 18001, 19150, 21150, 22980, 28725, 34470, 36002, 38300, 42300, 54003, 57450, 68940, 72004, 86175, 90005, 108006, 114900, 162009, 172350, 180010, 216012, 270015, 324018, 344700, 360020, 450025, 540030, 648036, 810045, 900050, 1080060, 1350075, 1620090, 1800100, 2700150, 3240180, 4050225, 5400300, 8100450, 16200900.
If you add them up, you will get the total of 51,996,672.