The factors of the number 15,461,264 are: 1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 41, 49, 52, 56, 74, 82, 91, 98, 104, 112, 148, 164, 182, 196, 208, 259, 287, 296, 328, 364, 392, 481, 518, 533, 574, 592, 637, 656, 728, 784, 962, 1036, 1066, 1148, 1274, 1456, 1517, 1813, 1924, 2009, 2072, 2132, 2296, 2548, 3034, 3367, 3626, 3731, 3848, 4018, 4144, 4264, 4592, 5096, 6068, 6734, 7252, 7462, 7696, 8036, 8528, 10192, 10619, 12136, 13468, 14504, 14924, 16072, 19721, 21238, 23569, 24272, 26117, 26936, 29008, 29848, 32144, 39442, 42476, 47138, 52234, 53872, 59696, 74333, 78884, 84952, 94276, 104468, 138047, 148666, 157768, 169904, 188552, 208936, 276094, 297332, 315536, 377104, 417872, 552188, 594664, 966329, 1104376, 1189328, 1932658, 2208752, 3865316, 7730632, 15461264.
If you add them up, you will get the total of 39,481,848.