21155174

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{1237}}^1$

素因数の和:1759

約数の個数: 16

約数和(自身を含む): 33693408

約数和(自身を除く): 12538234

約数列:

[1, 2, 17, 34, 503, 1006, 1237, 2474, 8551, 17102, 21029, 42058, 622211, 1244422, 10577587, 21155174]

約数ペア:

[(1, 21155174), (2, 10577587), (17, 1244422), (34, 622211), (503, 42058), (1006, 21029), (1237, 17102), (2474, 8551)]