21978660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{33301}}^1$

素因数の和:33324

約数の個数: 48

約数和(自身を含む): 67136832

約数和(自身を除く): 45158172

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 33301, 66602, 99903, 133204, 166505, 199806, 333010, 366311, 399612, 499515, 666020, 732622, 999030, 1098933, 1465244, 1831555, 1998060, 2197866, 3663110, 4395732, 5494665, 7326220, 10989330, 21978660]

約数ペア:

[(1, 21978660), (2, 10989330), (3, 7326220), (4, 5494665), (5, 4395732), (6, 3663110), (10, 2197866), (11, 1998060), (12, 1831555), (15, 1465244), (20, 1098933), (22, 999030), (30, 732622), (33, 666020), (44, 499515), (55, 399612), (60, 366311), (66, 333010), (110, 199806), (132, 166505), (165, 133204), (220, 99903), (330, 66602), (660, 33301)]