21130983

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2423}}^1$

素因数の和:2468

約数の個数: 32

約数和(自身を含む): 34905600

約数和(自身を除く): 13774617

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2423, 2907, 7269, 8721, 21807, 41191, 46037, 65421, 123573, 138111, 370719, 414333, 782629, 1112157, 1242999, 2347887, 7043661, 21130983]

約数ペア:

[(1, 21130983), (3, 7043661), (9, 2347887), (17, 1242999), (19, 1112157), (27, 782629), (51, 414333), (57, 370719), (153, 138111), (171, 123573), (323, 65421), (459, 46037), (513, 41191), (969, 21807), (2423, 8721), (2907, 7269)]