21060669

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 33352704

約数和(自身を除く): 12292035

約数列:

[1, 3, 7, 21, 43, 83, 129, 249, 281, 301, 581, 843, 903, 1743, 1967, 3569, 5901, 10707, 12083, 23323, 24983, 36249, 69969, 74949, 84581, 163261, 253743, 489783, 1002889, 3008667, 7020223, 21060669]

約数ペア:

[(1, 21060669), (3, 7020223), (7, 3008667), (21, 1002889), (43, 489783), (83, 253743), (129, 163261), (249, 84581), (281, 74949), (301, 69969), (581, 36249), (843, 24983), (903, 23323), (1743, 12083), (1967, 10707), (3569, 5901)]