The factors of the number 8,424,384 are: 1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 32, 34, 48, 51, 58, 64, 68, 87, 89, 96, 102, 116, 136, 174, 178, 192, 204, 232, 267, 272, 348, 356, 408, 464, 493, 534, 544, 696, 712, 816, 928, 986, 1068, 1088, 1392, 1424, 1479, 1513, 1632, 1856, 1972, 2136, 2581, 2784, 2848, 2958, 3026, 3264, 3944, 4272, 4539, 5162, 5568, 5696, 5916, 6052, 7743, 7888, 8544, 9078, 10324, 11832, 12104, 15486, 15776, 17088, 18156, 20648, 23664, 24208, 30972, 31552, 36312, 41296, 43877, 47328, 48416, 61944, 72624, 82592, 87754, 94656, 96832, 123888, 131631, 145248, 165184, 175508, 247776, 263262, 290496, 351016, 495552, 526524, 702032, 1053048, 1404064, 2106096, 2808128, 4212192, 8424384.
If you add them up, you will get the total of 24,688,800.