21338392

素因数分解:

$2^3\times {\mathrm{487}}^1\times {\mathrm{5477}}^1$

素因数の和:5970

約数の個数: 16

約数和(自身を含む): 40098960

約数和(自身を除く): 18760568

約数列:

[1, 2, 4, 8, 487, 974, 1948, 3896, 5477, 10954, 21908, 43816, 2667299, 5334598, 10669196, 21338392]

約数ペア:

[(1, 21338392), (2, 10669196), (4, 5334598), (8, 2667299), (487, 43816), (974, 21908), (1948, 10954), (3896, 5477)]