21893403

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{8209}}^1$

素因数の和:8346

約数の個数: 16

約数和(自身を含む): 33628160

約数和(自身を除く): 11734757

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 8209, 24627, 57463, 172389, 1042543, 3127629, 7297801, 21893403]

約数ペア:

[(1, 21893403), (3, 7297801), (7, 3127629), (21, 1042543), (127, 172389), (381, 57463), (889, 24627), (2667, 8209)]