21139611

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1762

約数の個数: 16

約数和(自身を含む): 29069568

約数和(自身を除く): 7929957

約数列:

[1, 3, 61, 71, 183, 213, 1627, 4331, 4881, 12993, 99247, 115517, 297741, 346551, 7046537, 21139611]

約数ペア:

[(1, 21139611), (3, 7046537), (61, 346551), (71, 297741), (183, 115517), (213, 99247), (1627, 12993), (4331, 4881)]