The factors of the number 21,423,024 are: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 53, 56, 63, 72, 84, 106, 112, 126, 144, 159, 168, 212, 252, 318, 336, 371, 401, 424, 477, 504, 636, 742, 802, 848, 954, 1008, 1113, 1203, 1272, 1484, 1604, 1908, 2226, 2406, 2544, 2807, 2968, 3208, 3339, 3609, 3816, 4452, 4812, 5614, 5936, 6416, 6678, 7218, 7632, 8421, 8904, 9624, 11228, 13356, 14436, 16842, 17808, 19248, 21253, 22456, 25263, 26712, 28872, 33684, 42506, 44912, 50526, 53424, 57744, 63759, 67368, 85012, 101052, 127518, 134736, 148771, 170024, 191277, 202104, 255036, 297542, 340048, 382554, 404208, 446313, 510072, 595084, 765108, 892626, 1020144, 1190168, 1338939, 1530216, 1785252, 2380336, 2677878, 3060432, 3570504, 5355756, 7141008, 10711512, 21423024.
If you add them up, you will get the total of 69,986,592.