21588272

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4871}}^1$

素因数の和:5156

約数の個数: 20

約数和(自身を含む): 41986896

約数和(自身を除く): 20398624

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4871, 9742, 19484, 38968, 77936, 1349267, 2698534, 5397068, 10794136, 21588272]

約数ペア:

[(1, 21588272), (2, 10794136), (4, 5397068), (8, 2698534), (16, 1349267), (277, 77936), (554, 38968), (1108, 19484), (2216, 9742), (4432, 4871)]