21395847

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9677}}^1$

素因数の和:9758

約数の個数: 16

約数和(自身を含む): 31588992

約数和(自身を除く): 10193145

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9677, 29031, 106447, 319341, 648359, 1945077, 7131949, 21395847]

約数ペア:

[(1, 21395847), (3, 7131949), (11, 1945077), (33, 648359), (67, 319341), (201, 106447), (737, 29031), (2211, 9677)]