21624315

素因数分解:

$3^1\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{1307}}^1$

素因数の和:2418

約数の個数: 16

約数和(自身を含む): 34656768

約数和(自身を除く): 13032453

約数列:

[1, 3, 5, 15, 1103, 1307, 3309, 3921, 5515, 6535, 16545, 19605, 1441621, 4324863, 7208105, 21624315]

約数ペア:

[(1, 21624315), (3, 7208105), (5, 4324863), (15, 1441621), (1103, 19605), (1307, 16545), (3309, 6535), (3921, 5515)]