21909129

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{16193}}^1$

素因数の和:16248

約数の個数: 16

約数和(自身を含む): 32647104

約数和(自身を除く): 10737975

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 16193, 48579, 178123, 534369, 663913, 1991739, 7303043, 21909129]

約数ペア:

[(1, 21909129), (3, 7303043), (11, 1991739), (33, 663913), (41, 534369), (123, 178123), (451, 48579), (1353, 16193)]