21609134

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3539}}^1$

素因数の和:3655

約数の個数: 16

約数和(自身を含む): 33644160

約数和(自身を除く): 12035026

約数列:

[1, 2, 43, 71, 86, 142, 3053, 3539, 6106, 7078, 152177, 251269, 304354, 502538, 10804567, 21609134]

約数ペア:

[(1, 21609134), (2, 10804567), (43, 502538), (71, 304354), (86, 251269), (142, 152177), (3053, 7078), (3539, 6106)]