21717245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23227}}^1$

素因数の和:23260

約数の個数: 16

約数和(自身を含む): 30103488

約数和(自身を除く): 8386243

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 23227, 116135, 255497, 394859, 1277485, 1974295, 4343449, 21717245]

約数ペア:

[(1, 21717245), (5, 4343449), (11, 1974295), (17, 1277485), (55, 394859), (85, 255497), (187, 116135), (935, 23227)]