21076748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6221}}^1$

素因数の和:6254

約数の個数: 36

約数和(自身を含む): 46341456

約数和(自身を除く): 25264708

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6221, 12442, 24884, 43547, 68431, 87094, 136862, 174188, 273724, 479017, 752741, 958034, 1505482, 1916068, 3010964, 5269187, 10538374, 21076748]

約数ペア:

[(1, 21076748), (2, 10538374), (4, 5269187), (7, 3010964), (11, 1916068), (14, 1505482), (22, 958034), (28, 752741), (44, 479017), (77, 273724), (121, 174188), (154, 136862), (242, 87094), (308, 68431), (484, 43547), (847, 24884), (1694, 12442), (3388, 6221)]