The factors of the number 21,790,272 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 168, 186, 192, 217, 224, 248, 336, 372, 434, 448, 496, 523, 651, 672, 744, 868, 992, 1046, 1302, 1344, 1488, 1569, 1736, 1984, 2092, 2604, 2976, 3138, 3472, 3661, 4184, 5208, 5952, 6276, 6944, 7322, 8368, 10416, 10983, 12552, 13888, 14644, 16213, 16736, 20832, 21966, 25104, 29288, 32426, 33472, 41664, 43932, 48639, 50208, 58576, 64852, 87864, 97278, 100416, 113491, 117152, 129704, 175728, 194556, 226982, 234304, 259408, 340473, 351456, 389112, 453964, 518816, 680946, 702912, 778224, 907928, 1037632, 1361892, 1556448, 1815856, 2723784, 3112896, 3631712, 5447568, 7263424, 10895136, 21790272.
If you add them up, you will get the total of 68,145,152.