21098061

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{449}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 10913139

約数列:

[1, 3, 9, 23, 69, 207, 227, 449, 681, 1347, 2043, 4041, 5221, 10327, 15663, 30981, 46989, 92943, 101923, 305769, 917307, 2344229, 7032687, 21098061]

約数ペア:

[(1, 21098061), (3, 7032687), (9, 2344229), (23, 917307), (69, 305769), (207, 101923), (227, 92943), (449, 46989), (681, 30981), (1347, 15663), (2043, 10327), (4041, 5221)]