The factors of the number 13,772,928 are: 1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 89, 93, 96, 104, 124, 128, 156, 178, 186, 192, 208, 248, 267, 312, 356, 372, 384, 403, 416, 496, 534, 624, 712, 744, 806, 832, 992, 1068, 1157, 1209, 1248, 1424, 1488, 1612, 1664, 1984, 2136, 2314, 2418, 2496, 2759, 2848, 2976, 3224, 3471, 3968, 4272, 4628, 4836, 4992, 5518, 5696, 5952, 6448, 6942, 8277, 8544, 9256, 9672, 11036, 11392, 11904, 12896, 13884, 16554, 17088, 18512, 19344, 22072, 25792, 27768, 33108, 34176, 35867, 37024, 38688, 44144, 51584, 55536, 66216, 71734, 74048, 77376, 88288, 107601, 111072, 132432, 143468, 148096, 154752, 176576, 215202, 222144, 264864, 286936, 353152, 430404, 444288, 529728, 573872, 860808, 1059456, 1147744, 1721616, 2295488, 3443232, 4590976, 6886464, 13772928.
If you add them up, you will get the total of 41,126,400.