21071211

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59023}}^1$

素因数の和:59050

約数の個数: 16

約数和(自身を含む): 33997824

約数和(自身を除く): 12926613

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 59023, 177069, 413161, 1003391, 1239483, 3010173, 7023737, 21071211]

約数ペア:

[(1, 21071211), (3, 7023737), (7, 3010173), (17, 1239483), (21, 1003391), (51, 413161), (119, 177069), (357, 59023)]