21202654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15085346

約数列:

[1, 2, 11, 22, 29, 58, 167, 199, 319, 334, 398, 638, 1837, 2189, 3674, 4378, 4843, 5771, 9686, 11542, 33233, 53273, 63481, 66466, 106546, 126962, 365563, 731126, 963757, 1927514, 10601327, 21202654]

約数ペア:

[(1, 21202654), (2, 10601327), (11, 1927514), (22, 963757), (29, 731126), (58, 365563), (167, 126962), (199, 106546), (319, 66466), (334, 63481), (398, 53273), (638, 33233), (1837, 11542), (2189, 9686), (3674, 5771), (4378, 4843)]