21056856

素因数分解:

$2^3\times 3^1\times {\mathrm{239}}^1\times {\mathrm{3671}}^1$

素因数の和:3919

約数の個数: 32

約数和(自身を含む): 52876800

約数和(自身を除く): 31819944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 239, 478, 717, 956, 1434, 1912, 2868, 3671, 5736, 7342, 11013, 14684, 22026, 29368, 44052, 88104, 877369, 1754738, 2632107, 3509476, 5264214, 7018952, 10528428, 21056856]

約数ペア:

[(1, 21056856), (2, 10528428), (3, 7018952), (4, 5264214), (6, 3509476), (8, 2632107), (12, 1754738), (24, 877369), (239, 88104), (478, 44052), (717, 29368), (956, 22026), (1434, 14684), (1912, 11013), (2868, 7342), (3671, 5736)]