The factors of the number 21,210,336 are: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 167, 168, 189, 196, 216, 224, 252, 288, 294, 324, 334, 336, 378, 392, 432, 441, 501, 504, 567, 588, 648, 668, 672, 756, 784, 864, 882, 1002, 1008, 1134, 1169, 1176, 1296, 1323, 1336, 1503, 1512, 1568, 1764, 2004, 2016, 2268, 2338, 2352, 2592, 2646, 2672, 3006, 3024, 3507, 3528, 3969, 4008, 4509, 4536, 4676, 4704, 5292, 5344, 6012, 6048, 7014, 7056, 7938, 8016, 8183, 9018, 9072, 9352, 10521, 10584, 12024, 13527, 14028, 14112, 15876, 16032, 16366, 18036, 18144, 18704, 21042, 21168, 24048, 24549, 27054, 28056, 31563, 31752, 32732, 36072, 37408, 42084, 42336, 48096, 49098, 54108, 56112, 63126, 63504, 65464, 72144, 73647, 84168, 94689, 98196, 108216, 112224, 126252, 127008, 130928, 144288, 147294, 168336, 189378, 196392, 216432, 220941, 252504, 261856, 294588, 336672, 378756, 392784, 432864, 441882, 505008, 589176, 662823, 757512, 785568, 883764, 1010016, 1178352, 1325646, 1515024, 1767528, 2356704, 2651292, 3030048, 3535056, 5302584, 7070112, 10605168, 21210336.
If you add them up, you will get the total of 21,210,387. Now subtract 21,210,336 to get 51,787,512