821105418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19550129}}^1$

素因数の和:19550141

約数の個数: 16

約数和(自身を含む): 1876812480

約数和(自身を除く): 1055707062

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 19550129, 39100258, 58650387, 117300774, 136850903, 273701806, 410552709, 821105418]

約数ペア:

[(1, 821105418), (2, 410552709), (3, 273701806), (6, 136850903), (7, 117300774), (14, 58650387), (21, 39100258), (42, 19550129)]