21380982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509071}}^1$

素因数の和:509083

約数の個数: 16

約数和(自身を含む): 48870912

約数和(自身を除く): 27489930

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509071, 1018142, 1527213, 3054426, 3563497, 7126994, 10690491, 21380982]

約数ペア:

[(1, 21380982), (2, 10690491), (3, 7126994), (6, 3563497), (7, 3054426), (14, 1527213), (21, 1018142), (42, 509071)]