21243013

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2417}}^1$

素因数の和:2492

約数の個数: 16

約数和(自身を含む): 25069824

約数和(自身を除く): 3826811

約数列:

[1, 11, 17, 47, 187, 517, 799, 2417, 8789, 26587, 41089, 113599, 451979, 1249589, 1931183, 21243013]

約数ペア:

[(1, 21243013), (11, 1931183), (17, 1249589), (47, 451979), (187, 113599), (517, 41089), (799, 26587), (2417, 8789)]