21868923

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1237}}^1$

素因数の和:1394

約数の個数: 16

約数和(自身を含む): 29949696

約数和(自身を除く): 8080773

約数列:

[1, 3, 71, 83, 213, 249, 1237, 3711, 5893, 17679, 87827, 102671, 263481, 308013, 7289641, 21868923]

約数ペア:

[(1, 21868923), (3, 7289641), (71, 308013), (83, 263481), (213, 102671), (249, 87827), (1237, 17679), (3711, 5893)]