21000292743

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1\times {\mathrm{178697}}^1$

素因数の和:179654

約数の個数: 16

約数和(自身を含む): 28683173376

約数和(自身を除く): 7682880633

約数列:

[1, 3, 43, 129, 911, 2733, 39173, 117519, 178697, 536091, 7683971, 23051913, 162792967, 488378901, 7000097581, 21000292743]

約数ペア:

[(1, 21000292743), (3, 7000097581), (43, 488378901), (129, 162792967), (911, 23051913), (2733, 7683971), (39173, 536091), (117519, 178697)]