21525102

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 80

約数和(自身を含む): 51749280

約数和(自身を除く): 30224178

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 53, 54, 69, 81, 106, 109, 138, 159, 162, 207, 218, 318, 327, 414, 477, 621, 654, 954, 981, 1219, 1242, 1431, 1863, 1962, 2438, 2507, 2862, 2943, 3657, 3726, 4293, 5014, 5777, 5886, 7314, 7521, 8586, 8829, 10971, 11554, 15042, 17331, 17658, 21942, 22563, 32913, 34662, 45126, 51993, 65826, 67689, 98739, 103986, 132871, 135378, 155979, 197478, 203067, 265742, 311958, 398613, 406134, 467937, 797226, 935874, 1195839, 2391678, 3587517, 7175034, 10762551, 21525102]

約数ペア:

[(1, 21525102), (2, 10762551), (3, 7175034), (6, 3587517), (9, 2391678), (18, 1195839), (23, 935874), (27, 797226), (46, 467937), (53, 406134), (54, 398613), (69, 311958), (81, 265742), (106, 203067), (109, 197478), (138, 155979), (159, 135378), (162, 132871), (207, 103986), (218, 98739), (318, 67689), (327, 65826), (414, 51993), (477, 45126), (621, 34662), (654, 32913), (954, 22563), (981, 21942), (1219, 17658), (1242, 17331), (1431, 15042), (1863, 11554), (1962, 10971), (2438, 8829), (2507, 8586), (2862, 7521), (2943, 7314), (3657, 5886), (3726, 5777), (4293, 5014)]