21485365

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2089}}^1$

素因数の和:2133

約数の個数: 24

約数和(自身を含む): 30020760

約数和(自身を除く): 8535395

約数列:

[1, 5, 11, 17, 55, 85, 121, 187, 605, 935, 2057, 2089, 10285, 10445, 22979, 35513, 114895, 177565, 252769, 390643, 1263845, 1953215, 4297073, 21485365]

約数ペア:

[(1, 21485365), (5, 4297073), (11, 1953215), (17, 1263845), (55, 390643), (85, 252769), (121, 177565), (187, 114895), (605, 35513), (935, 22979), (2057, 10445), (2089, 10285)]