The factors of the number 16,642,164 are: 1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 31, 33, 42, 44, 49, 62, 66, 77, 83, 84, 93, 98, 124, 132, 147, 154, 166, 186, 196, 217, 231, 249, 294, 308, 332, 341, 372, 434, 462, 498, 539, 581, 588, 651, 682, 868, 913, 924, 996, 1023, 1078, 1162, 1302, 1364, 1519, 1617, 1743, 1826, 2046, 2156, 2324, 2387, 2573, 2604, 2739, 3038, 3234, 3486, 3652, 4067, 4092, 4557, 4774, 5146, 5478, 6076, 6391, 6468, 6972, 7161, 7719, 8134, 9114, 9548, 10292, 10956, 12201, 12782, 14322, 15438, 16268, 16709, 18011, 18228, 19173, 24402, 25564, 28303, 28644, 30876, 33418, 36022, 38346, 44737, 48804, 50127, 54033, 56606, 66836, 72044, 76692, 84909, 89474, 100254, 108066, 113212, 126077, 134211, 169818, 178948, 198121, 200508, 216132, 252154, 268422, 339636, 378231, 396242, 504308, 536844, 594363, 756462, 792484, 1188726, 1386847, 1512924, 2377452, 2773694, 4160541, 5547388, 8321082, 16642164.
If you add them up, you will get the total of 51,480,576.