The factors of the number 6,971,580 are: 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 503, 630, 660, 693, 770, 924, 990, 1006, 1155, 1260, 1386, 1509, 1540, 1980, 2012, 2310, 2515, 2772, 3018, 3465, 3521, 4527, 4620, 5030, 5533, 6036, 6930, 7042, 7545, 9054, 10060, 10563, 11066, 13860, 14084, 15090, 16599, 17605, 18108, 21126, 22132, 22635, 27665, 30180, 31689, 33198, 35210, 38731, 42252, 45270, 49797, 52815, 55330, 63378, 66396, 70420, 77462, 82995, 90540, 99594, 105630, 110660, 116193, 126756, 154924, 158445, 165990, 193655, 199188, 211260, 232386, 248985, 316890, 331980, 348579, 387310, 464772, 497970, 580965, 633780, 697158, 774620, 995940, 1161930, 1394316, 1742895, 2323860, 3485790, 6971580.
If you add them up, you will get the total of 26,417,664.