The factors of the number 8,337,840 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 709, 735, 784, 840, 980, 1176, 1418, 1470, 1680, 1960, 2127, 2352, 2836, 2940, 3545, 3920, 4254, 4963, 5672, 5880, 7090, 8508, 9926, 10635, 11344, 11760, 14180, 14889, 17016, 19852, 21270, 24815, 28360, 29778, 34032, 34741, 39704, 42540, 49630, 56720, 59556, 69482, 74445, 79408, 85080, 99260, 104223, 119112, 138964, 148890, 170160, 173705, 198520, 208446, 238224, 277928, 297780, 347410, 397040, 416892, 521115, 555856, 595560, 694820, 833784, 1042230, 1191120, 1389640, 1667568, 2084460, 2779280, 4168920, 8337840.
If you add them up, you will get the total of 8,337,861. Now subtract 8,337,840 to get 21,771,840