21011023

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 23560992

約数和(自身を除く): 2549969

約数列:

[1, 11, 61, 173, 181, 671, 1903, 1991, 10553, 11041, 31313, 116083, 121451, 344443, 1910093, 21011023]

約数ペア:

[(1, 21011023), (11, 1910093), (61, 344443), (173, 121451), (181, 116083), (671, 31313), (1903, 11041), (1991, 10553)]