21543663

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16433}}^1$

素因数の和:16478

約数の個数: 16

約数和(自身を含む): 31553280

約数和(自身を除く): 10009617

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 16433, 49299, 312227, 377959, 936681, 1133877, 7181221, 21543663]

約数ペア:

[(1, 21543663), (3, 7181221), (19, 1133877), (23, 936681), (57, 377959), (69, 312227), (437, 49299), (1311, 16433)]