21296486

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{1543}}^1$

素因数の和:1715

約数の個数: 16

約数和(自身を含む): 32757504

約数和(自身を除く): 11461018

約数列:

[1, 2, 67, 103, 134, 206, 1543, 3086, 6901, 13802, 103381, 158929, 206762, 317858, 10648243, 21296486]

約数ペア:

[(1, 21296486), (2, 10648243), (67, 317858), (103, 206762), (134, 158929), (206, 103381), (1543, 13802), (3086, 6901)]