21055080669

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1112789}}^1$

素因数の和:1112869

約数の個数: 32

約数和(自身を含む): 34612220160

約数和(自身を除く): 13557139491

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1113, 2703, 6307, 18921, 1112789, 3338367, 7789523, 18917413, 23368569, 56752239, 58977817, 132421891, 176933451, 397265673, 412844719, 1002622889, 1238534157, 3007868667, 7018360223, 21055080669]

約数ペア:

[(1, 21055080669), (3, 7018360223), (7, 3007868667), (17, 1238534157), (21, 1002622889), (51, 412844719), (53, 397265673), (119, 176933451), (159, 132421891), (357, 58977817), (371, 56752239), (901, 23368569), (1113, 18917413), (2703, 7789523), (6307, 3338367), (18921, 1112789)]