21000565449

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2359349}}^1$

素因数の和:2359421

約数の個数: 24

約数和(自身を含む): 32389156800

約数和(自身を除く): 11388591351

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 8901, 2359349, 7078047, 21234141, 54265027, 101452007, 162795081, 304356021, 488385243, 913068063, 2333396161, 7000188483, 21000565449]

約数ペア:

[(1, 21000565449), (3, 7000188483), (9, 2333396161), (23, 913068063), (43, 488385243), (69, 304356021), (129, 162795081), (207, 101452007), (387, 54265027), (989, 21234141), (2967, 7078047), (8901, 2359349)]