The factors of the number 421,020,336 are: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 33, 37, 44, 46, 48, 66, 69, 74, 88, 92, 111, 132, 138, 148, 176, 184, 222, 253, 264, 276, 296, 368, 407, 444, 506, 528, 552, 592, 759, 814, 851, 888, 937, 1012, 1104, 1221, 1518, 1628, 1702, 1776, 1874, 2024, 2442, 2553, 2811, 3036, 3256, 3404, 3748, 4048, 4884, 5106, 5622, 6072, 6512, 6808, 7496, 9361, 9768, 10212, 10307, 11244, 12144, 13616, 14992, 18722, 19536, 20424, 20614, 21551, 22488, 28083, 30921, 34669, 37444, 40848, 41228, 43102, 44976, 56166, 61842, 64653, 69338, 74888, 82456, 86204, 104007, 112332, 123684, 129306, 138676, 149776, 164912, 172408, 208014, 224664, 237061, 247368, 258612, 277352, 344816, 381359, 416028, 449328, 474122, 494736, 517224, 554704, 711183, 762718, 797387, 832056, 948244, 1034448, 1144077, 1422366, 1525436, 1594774, 1664112, 1896488, 2288154, 2392161, 2844732, 3050872, 3189548, 3792976, 4576308, 4784322, 5689464, 6101744, 6379096, 8771257, 9152616, 9568644, 11378928, 12758192, 17542514, 18305232, 19137288, 26313771, 35085028, 38274576, 52627542, 70170056, 105255084, 140340112, 210510168, 421020336.
If you add them up, you will get the total of 421,021,187. Now subtract 421,020,336 to get 851,898,192