21126567

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91457}}^1$

素因数の和:91478

約数の個数: 16

約数和(自身を含む): 35119872

約数和(自身を除く): 13993305

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 91457, 274371, 640199, 1006027, 1920597, 3018081, 7042189, 21126567]

約数ペア:

[(1, 21126567), (3, 7042189), (7, 3018081), (11, 1920597), (21, 1006027), (33, 640199), (77, 274371), (231, 91457)]