21499594

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{1723}}^1$

素因数の和:2109

約数の個数: 16

約数和(自身を含む): 34259328

約数和(自身を除く): 12759734

約数列:

[1, 2, 17, 34, 367, 734, 1723, 3446, 6239, 12478, 29291, 58582, 632341, 1264682, 10749797, 21499594]

約数ペア:

[(1, 21499594), (2, 10749797), (17, 1264682), (34, 632341), (367, 58582), (734, 29291), (1723, 12478), (3446, 6239)]