21190774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41879}}^1$

素因数の和:41915

約数の個数: 16

約数和(自身を含む): 36184320

約数和(自身を除く): 14993546

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41879, 83758, 460669, 921338, 963217, 1926434, 10595387, 21190774]

約数ペア:

[(1, 21190774), (2, 10595387), (11, 1926434), (22, 963217), (23, 921338), (46, 460669), (253, 83758), (506, 41879)]