21821366

素因数分解:

$2^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{2081}}^1$

素因数の和:2204

約数の個数: 24

約数和(自身を含む): 38450376

約数和(自身を除く): 16629010

約数列:

[1, 2, 7, 14, 49, 98, 107, 214, 749, 1498, 2081, 4162, 5243, 10486, 14567, 29134, 101969, 203938, 222667, 445334, 1558669, 3117338, 10910683, 21821366]

約数ペア:

[(1, 21821366), (2, 10910683), (7, 3117338), (14, 1558669), (49, 445334), (98, 222667), (107, 203938), (214, 101969), (749, 29134), (1498, 14567), (2081, 10486), (4162, 5243)]