21880309

素因数分解:

${\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{967}}^1$

素因数の和:1017

約数の個数: 16

約数和(自身を含む): 25508736

約数和(自身を除く): 3628427

約数列:

[1, 11, 17, 121, 187, 967, 1331, 2057, 10637, 16439, 22627, 117007, 180829, 1287077, 1989119, 21880309]

約数ペア:

[(1, 21880309), (11, 1989119), (17, 1287077), (121, 180829), (187, 117007), (967, 22627), (1331, 16439), (2057, 10637)]