The factors of the number 21,430,464 are: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 73, 88, 96, 132, 139, 146, 176, 192, 219, 264, 278, 292, 352, 417, 438, 528, 556, 584, 704, 803, 834, 876, 1056, 1112, 1168, 1529, 1606, 1668, 1752, 2112, 2224, 2336, 2409, 3058, 3212, 3336, 3504, 4448, 4587, 4672, 4818, 6116, 6424, 6672, 7008, 8896, 9174, 9636, 10147, 12232, 12848, 13344, 14016, 18348, 19272, 20294, 24464, 25696, 26688, 30441, 36696, 38544, 40588, 48928, 51392, 60882, 73392, 77088, 81176, 97856, 111617, 121764, 146784, 154176, 162352, 223234, 243528, 293568, 324704, 334851, 446468, 487056, 649408, 669702, 892936, 974112, 1339404, 1785872, 1948224, 2678808, 3571744, 5357616, 7143488, 10715232, 21430464.
If you add them up, you will get the total of 63,154,560.