21148119

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{499}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 32526000

約数和(自身を除く): 11377881

約数列:

[1, 3, 9, 17, 51, 153, 277, 499, 831, 1497, 2493, 4491, 4709, 8483, 14127, 25449, 42381, 76347, 138223, 414669, 1244007, 2349791, 7049373, 21148119]

約数ペア:

[(1, 21148119), (3, 7049373), (9, 2349791), (17, 1244007), (51, 414669), (153, 138223), (277, 76347), (499, 42381), (831, 25449), (1497, 14127), (2493, 8483), (4491, 4709)]