2021228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 3919104

約数和(自身を除く): 1897876

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 647, 781, 1294, 1562, 2588, 3124, 7117, 14234, 28468, 45937, 91874, 183748, 505307, 1010614, 2021228]

約数ペア:

[(1, 2021228), (2, 1010614), (4, 505307), (11, 183748), (22, 91874), (44, 45937), (71, 28468), (142, 14234), (284, 7117), (647, 3124), (781, 2588), (1294, 1562)]