The factors of the number 6,124,440 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 317, 322, 345, 420, 460, 483, 552, 634, 644, 690, 805, 840, 920, 951, 966, 1268, 1288, 1380, 1585, 1610, 1902, 1932, 2219, 2415, 2536, 2760, 3170, 3220, 3804, 3864, 4438, 4755, 4830, 6340, 6440, 6657, 7291, 7608, 8876, 9510, 9660, 11095, 12680, 13314, 14582, 17752, 19020, 19320, 21873, 22190, 26628, 29164, 33285, 36455, 38040, 43746, 44380, 51037, 53256, 58328, 66570, 72910, 87492, 88760, 102074, 109365, 133140, 145820, 153111, 174984, 204148, 218730, 255185, 266280, 291640, 306222, 408296, 437460, 510370, 612444, 765555, 874920, 1020740, 1224888, 1531110, 2041480, 3062220, 6124440.
If you add them up, you will get the total of 21,980,160.