21140282

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{10193}}^1$

素因数の和:10273

約数の個数: 16

約数和(自身を含む): 34129512

約数和(自身を除く): 12989230

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 10193, 20386, 173281, 346562, 621773, 1243546, 10570141, 21140282]

約数ペア:

[(1, 21140282), (2, 10570141), (17, 1243546), (34, 621773), (61, 346562), (122, 173281), (1037, 20386), (2074, 10193)]