21744428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2441}}^1$

素因数の和:2593

約数の個数: 24

約数和(自身を含む): 40615344

約数和(自身を除く): 18870916

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2227, 2441, 4454, 4882, 8908, 9764, 41497, 82994, 165988, 319771, 639542, 1279084, 5436107, 10872214, 21744428]

約数ペア:

[(1, 21744428), (2, 10872214), (4, 5436107), (17, 1279084), (34, 639542), (68, 319771), (131, 165988), (262, 82994), (524, 41497), (2227, 9764), (2441, 8908), (4454, 4882)]