21128880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88037}}^1$

素因数の和:88053

約数の個数: 40

約数和(自身を含む): 65500272

約数和(自身を除く): 44371392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88037, 176074, 264111, 352148, 440185, 528222, 704296, 880370, 1056444, 1320555, 1408592, 1760740, 2112888, 2641110, 3521480, 4225776, 5282220, 7042960, 10564440, 21128880]

約数ペア:

[(1, 21128880), (2, 10564440), (3, 7042960), (4, 5282220), (5, 4225776), (6, 3521480), (8, 2641110), (10, 2112888), (12, 1760740), (15, 1408592), (16, 1320555), (20, 1056444), (24, 880370), (30, 704296), (40, 528222), (48, 440185), (60, 352148), (80, 264111), (120, 176074), (240, 88037)]