21981162

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1553}}^1$

素因数の和:1902

約数の個数: 32

約数和(自身を含む): 50424192

約数和(自身を除く): 28443030

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 337, 674, 1011, 1553, 2022, 2359, 3106, 4659, 4718, 7077, 9318, 10871, 14154, 21742, 32613, 65226, 523361, 1046722, 1570083, 3140166, 3663527, 7327054, 10990581, 21981162]

約数ペア:

[(1, 21981162), (2, 10990581), (3, 7327054), (6, 3663527), (7, 3140166), (14, 1570083), (21, 1046722), (42, 523361), (337, 65226), (674, 32613), (1011, 21742), (1553, 14154), (2022, 10871), (2359, 9318), (3106, 7077), (4659, 4718)]