21423765

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129841}}^1$

素因数の和:129860

約数の個数: 16

約数和(自身を含む): 37394496

約数和(自身を除く): 15970731

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 129841, 389523, 649205, 1428251, 1947615, 4284753, 7141255, 21423765]

約数ペア:

[(1, 21423765), (3, 7141255), (5, 4284753), (11, 1947615), (15, 1428251), (33, 649205), (55, 389523), (165, 129841)]