21055850

素因数分解:

$2^1\times 5^2\times {\mathrm{373}}^1\times {\mathrm{1129}}^1$

素因数の和:1514

約数の個数: 24

約数和(自身を含む): 39303660

約数和(自身を除く): 18247810

約数列:

[1, 2, 5, 10, 25, 50, 373, 746, 1129, 1865, 2258, 3730, 5645, 9325, 11290, 18650, 28225, 56450, 421117, 842234, 2105585, 4211170, 10527925, 21055850]

約数ペア:

[(1, 21055850), (2, 10527925), (5, 4211170), (10, 2105585), (25, 842234), (50, 421117), (373, 56450), (746, 28225), (1129, 18650), (1865, 11290), (2258, 9325), (3730, 5645)]