21604976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71069}}^1$

素因数の和:71096

約数の個数: 20

約数和(自身を含む): 44063400

約数和(自身を除く): 22458424

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 71069, 142138, 284276, 568552, 1137104, 1350311, 2700622, 5401244, 10802488, 21604976]

約数ペア:

[(1, 21604976), (2, 10802488), (4, 5401244), (8, 2700622), (16, 1350311), (19, 1137104), (38, 568552), (76, 284276), (152, 142138), (304, 71069)]