21088424

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2339}}^1$

素因数の和:2382

約数の個数: 48

約数和(自身を含む): 48016800

約数和(自身を除く): 26928376

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 392, 644, 1127, 1288, 2254, 2339, 4508, 4678, 9016, 9356, 16373, 18712, 32746, 53797, 65492, 107594, 114611, 130984, 215188, 229222, 376579, 430376, 458444, 753158, 916888, 1506316, 2636053, 3012632, 5272106, 10544212, 21088424]

約数ペア:

[(1, 21088424), (2, 10544212), (4, 5272106), (7, 3012632), (8, 2636053), (14, 1506316), (23, 916888), (28, 753158), (46, 458444), (49, 430376), (56, 376579), (92, 229222), (98, 215188), (161, 130984), (184, 114611), (196, 107594), (322, 65492), (392, 53797), (644, 32746), (1127, 18712), (1288, 16373), (2254, 9356), (2339, 9016), (4508, 4678)]