21789086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52127}}^1$

素因数の和:52159

約数の個数: 16

約数和(自身を含む): 37532160

約数和(自身を除く): 15743074

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 52127, 104254, 573397, 990413, 1146794, 1980826, 10894543, 21789086]

約数ペア:

[(1, 21789086), (2, 10894543), (11, 1980826), (19, 1146794), (22, 990413), (38, 573397), (209, 104254), (418, 52127)]