The factors of the number 4,164,864 are: 1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 29, 32, 33, 34, 44, 48, 51, 58, 64, 66, 68, 87, 88, 96, 102, 116, 128, 132, 136, 174, 176, 187, 192, 204, 232, 256, 264, 272, 319, 348, 352, 374, 384, 408, 464, 493, 528, 544, 561, 638, 696, 704, 748, 768, 816, 928, 957, 986, 1056, 1088, 1122, 1276, 1392, 1408, 1479, 1496, 1632, 1856, 1914, 1972, 2112, 2176, 2244, 2552, 2784, 2816, 2958, 2992, 3264, 3712, 3828, 3944, 4224, 4352, 4488, 5104, 5423, 5568, 5916, 5984, 6528, 7424, 7656, 7888, 8448, 8976, 10208, 10846, 11136, 11832, 11968, 13056, 15312, 15776, 16269, 17952, 20416, 21692, 22272, 23664, 23936, 30624, 31552, 32538, 35904, 40832, 43384, 47328, 47872, 61248, 63104, 65076, 71808, 81664, 86768, 94656, 122496, 126208, 130152, 143616, 173536, 189312, 244992, 260304, 347072, 378624, 520608, 694144, 1041216, 1388288, 2082432, 4164864.
If you add them up, you will get the total of 13,245,120.