21464649

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{11197}}^1$

素因数の和:11277

約数の個数: 16

約数和(自身を含む): 32250240

約数和(自身を除く): 10785591

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 11197, 33591, 100773, 302319, 794987, 2384961, 7154883, 21464649]

約数ペア:

[(1, 21464649), (3, 7154883), (9, 2384961), (27, 794987), (71, 302319), (213, 100773), (639, 33591), (1917, 11197)]