21216066

素因数分解:

$2^1\times 3^1\times {\mathrm{1087}}^1\times {\mathrm{3253}}^1$

素因数の和:4345

約数の個数: 16

約数和(自身を含む): 42484224

約数和(自身を除く): 21268158

約数列:

[1, 2, 3, 6, 1087, 2174, 3253, 3261, 6506, 6522, 9759, 19518, 3536011, 7072022, 10608033, 21216066]

約数ペア:

[(1, 21216066), (2, 10608033), (3, 7072022), (6, 3536011), (1087, 19518), (2174, 9759), (3253, 6522), (3261, 6506)]