21613568

素因数分解:

$2^{10}\times {\mathrm{21107}}^1$

素因数の和:21127

約数の個数: 22

約数和(自身を含む): 43208076

約数和(自身を除く): 21594508

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 21107, 42214, 84428, 168856, 337712, 675424, 1350848, 2701696, 5403392, 10806784, 21613568]

約数ペア:

[(1, 21613568), (2, 10806784), (4, 5403392), (8, 2701696), (16, 1350848), (32, 675424), (64, 337712), (128, 168856), (256, 84428), (512, 42214), (1024, 21107)]