The factors of the number 6,816,810 are: 1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 55, 65, 66, 70, 77, 78, 91, 105, 110, 130, 143, 154, 165, 182, 195, 210, 227, 231, 273, 286, 330, 385, 390, 429, 454, 455, 462, 546, 681, 715, 770, 858, 910, 1001, 1135, 1155, 1362, 1365, 1430, 1589, 2002, 2145, 2270, 2310, 2497, 2730, 2951, 3003, 3178, 3405, 4290, 4767, 4994, 5005, 5902, 6006, 6810, 7491, 7945, 8853, 9534, 10010, 12485, 14755, 14982, 15015, 15890, 17479, 17706, 20657, 23835, 24970, 29510, 30030, 32461, 34958, 37455, 41314, 44265, 47670, 52437, 61971, 64922, 74910, 87395, 88530, 97383, 103285, 104874, 123942, 162305, 174790, 194766, 206570, 227227, 262185, 309855, 324610, 454454, 486915, 524370, 619710, 681681, 973830, 1136135, 1363362, 2272270, 3408405, 6816810.
If you add them up, you will get the total of 6,816,825. Now subtract 6,816,810 to get 15,246,294