The factors of the number 21,701,760 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 127, 128, 160, 178, 192, 240, 254, 267, 320, 356, 381, 384, 445, 480, 508, 534, 635, 640, 712, 762, 890, 960, 1016, 1068, 1270, 1335, 1424, 1524, 1780, 1905, 1920, 2032, 2136, 2540, 2670, 2848, 3048, 3560, 3810, 4064, 4272, 5080, 5340, 5696, 6096, 7120, 7620, 8128, 8544, 10160, 10680, 11303, 11392, 12192, 14240, 15240, 16256, 17088, 20320, 21360, 22606, 24384, 28480, 30480, 33909, 34176, 40640, 42720, 45212, 48768, 56515, 56960, 60960, 67818, 81280, 85440, 90424, 113030, 121920, 135636, 169545, 170880, 180848, 226060, 243840, 271272, 339090, 361696, 452120, 542544, 678180, 723392, 904240, 1085088, 1356360, 1446784, 1808480, 2170176, 2712720, 3616960, 4340352, 5425440, 7233920, 10850880, 21701760.
If you add them up, you will get the total of 70,502,400.