21855176

素因数分解:

$2^3\times 7^2\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 48153600

約数和(自身を除く): 26298424

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 127, 196, 254, 392, 439, 508, 878, 889, 1016, 1756, 1778, 3073, 3512, 3556, 6146, 6223, 7112, 12292, 12446, 21511, 24584, 24892, 43022, 49784, 55753, 86044, 111506, 172088, 223012, 390271, 446024, 780542, 1561084, 2731897, 3122168, 5463794, 10927588, 21855176]

約数ペア:

[(1, 21855176), (2, 10927588), (4, 5463794), (7, 3122168), (8, 2731897), (14, 1561084), (28, 780542), (49, 446024), (56, 390271), (98, 223012), (127, 172088), (196, 111506), (254, 86044), (392, 55753), (439, 49784), (508, 43022), (878, 24892), (889, 24584), (1016, 21511), (1756, 12446), (1778, 12292), (3073, 7112), (3512, 6223), (3556, 6146)]