21141794

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{2053}}^1$

素因数の和:2345

約数の個数: 16

約数和(自身を含む): 33521280

約数和(自身を除く): 12379486

約数列:

[1, 2, 19, 38, 271, 542, 2053, 4106, 5149, 10298, 39007, 78014, 556363, 1112726, 10570897, 21141794]

約数ペア:

[(1, 21141794), (2, 10570897), (19, 1112726), (38, 556363), (271, 78014), (542, 39007), (2053, 10298), (4106, 5149)]