21493474

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{1427}}^1$

素因数の和:1889

約数の個数: 16

約数和(自身を含む): 34237728

約数和(自身を除く): 12744254

約数列:

[1, 2, 17, 34, 443, 886, 1427, 2854, 7531, 15062, 24259, 48518, 632161, 1264322, 10746737, 21493474]

約数ペア:

[(1, 21493474), (2, 10746737), (17, 1264322), (34, 632161), (443, 48518), (886, 24259), (1427, 15062), (2854, 7531)]