2016123921

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{233591}}^1$

素因数の和:233741

約数の個数: 24

約数和(自身を含む): 3352512384

約数和(自身を除く): 1336388463

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 233591, 700773, 1635137, 2102319, 4905411, 14716233, 32001967, 96005901, 224013769, 288017703, 672041307, 2016123921]

約数ペア:

[(1, 2016123921), (3, 672041307), (7, 288017703), (9, 224013769), (21, 96005901), (63, 32001967), (137, 14716233), (411, 4905411), (959, 2102319), (1233, 1635137), (2877, 700773), (8631, 233591)]