21255245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1733}}^1$

素因数の和:1972

約数の個数: 16

約数和(自身を含む): 27965952

約数和(自身を除く): 6710707

約数列:

[1, 5, 11, 55, 223, 1115, 1733, 2453, 8665, 12265, 19063, 95315, 386459, 1932295, 4251049, 21255245]

約数ペア:

[(1, 21255245), (5, 4251049), (11, 1932295), (55, 386459), (223, 95315), (1115, 19063), (1733, 12265), (2453, 8665)]