21286912

素因数分解:

$2^{12}\times {\mathrm{5197}}^1$

素因数の和:5221

約数の個数: 26

約数和(自身を含む): 42576818

約数和(自身を除く): 21289906

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 5197, 10394, 20788, 41576, 83152, 166304, 332608, 665216, 1330432, 2660864, 5321728, 10643456, 21286912]

約数ペア:

[(1, 21286912), (2, 10643456), (4, 5321728), (8, 2660864), (16, 1330432), (32, 665216), (64, 332608), (128, 166304), (256, 83152), (512, 41576), (1024, 20788), (2048, 10394), (4096, 5197)]