The factors of the number 9,090,144 are: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 167, 168, 189, 216, 224, 243, 252, 288, 324, 334, 336, 378, 432, 486, 501, 504, 567, 648, 668, 672, 756, 864, 972, 1002, 1008, 1134, 1169, 1296, 1336, 1503, 1512, 1701, 1944, 2004, 2016, 2268, 2338, 2592, 2672, 3006, 3024, 3402, 3507, 3888, 4008, 4509, 4536, 4676, 5344, 6012, 6048, 6804, 7014, 7776, 8016, 9018, 9072, 9352, 10521, 12024, 13527, 13608, 14028, 16032, 18036, 18144, 18704, 21042, 24048, 27054, 27216, 28056, 31563, 36072, 37408, 40581, 42084, 48096, 54108, 54432, 56112, 63126, 72144, 81162, 84168, 94689, 108216, 112224, 126252, 144288, 162324, 168336, 189378, 216432, 252504, 284067, 324648, 336672, 378756, 432864, 505008, 568134, 649296, 757512, 1010016, 1136268, 1298592, 1515024, 2272536, 3030048, 4545072, 9090144.
If you add them up, you will get the total of 9,090,165. Now subtract 9,090,144 to get 21,730,464