21942032

素因数分解:

$2^4\times 7^1\times {\mathrm{409}}^1\times {\mathrm{479}}^1$

素因数の和:903

約数の個数: 40

約数和(自身を含む): 48806400

約数和(自身を除く): 26864368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 409, 479, 818, 958, 1636, 1916, 2863, 3272, 3353, 3832, 5726, 6544, 6706, 7664, 11452, 13412, 22904, 26824, 45808, 53648, 195911, 391822, 783644, 1371377, 1567288, 2742754, 3134576, 5485508, 10971016, 21942032]

約数ペア:

[(1, 21942032), (2, 10971016), (4, 5485508), (7, 3134576), (8, 2742754), (14, 1567288), (16, 1371377), (28, 783644), (56, 391822), (112, 195911), (409, 53648), (479, 45808), (818, 26824), (958, 22904), (1636, 13412), (1916, 11452), (2863, 7664), (3272, 6706), (3353, 6544), (3832, 5726)]