21764403

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47417}}^1$

素因数の和:47443

約数の個数: 16

約数和(自身を含む): 34140960

約数和(自身を除く): 12376557

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 47417, 142251, 426753, 806089, 1280259, 2418267, 7254801, 21764403]

約数ペア:

[(1, 21764403), (3, 7254801), (9, 2418267), (17, 1280259), (27, 806089), (51, 426753), (153, 142251), (459, 47417)]