21499824

素因数分解:

$2^4\times 3^1\times {\mathrm{307}}^1\times {\mathrm{1459}}^1$

素因数の和:1777

約数の個数: 40

約数和(自身を含む): 55760320

約数和(自身を除く): 34260496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 307, 614, 921, 1228, 1459, 1842, 2456, 2918, 3684, 4377, 4912, 5836, 7368, 8754, 11672, 14736, 17508, 23344, 35016, 70032, 447913, 895826, 1343739, 1791652, 2687478, 3583304, 5374956, 7166608, 10749912, 21499824]

約数ペア:

[(1, 21499824), (2, 10749912), (3, 7166608), (4, 5374956), (6, 3583304), (8, 2687478), (12, 1791652), (16, 1343739), (24, 895826), (48, 447913), (307, 70032), (614, 35016), (921, 23344), (1228, 17508), (1459, 14736), (1842, 11672), (2456, 8754), (2918, 7368), (3684, 5836), (4377, 4912)]