21044023

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21023}}^1$

素因数の和:21054

約数の個数: 16

約数和(自身を含む): 28256256

約数和(自身を除く): 7212233

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 21023, 147161, 231253, 273299, 1618771, 1913093, 3006289, 21044023]

約数ペア:

[(1, 21044023), (7, 3006289), (11, 1913093), (13, 1618771), (77, 273299), (91, 231253), (143, 147161), (1001, 21023)]