21632768

素因数分解:

$2^8\times {\mathrm{84503}}^1$

素因数の和:84519

約数の個数: 18

約数和(自身を含む): 43181544

約数和(自身を除く): 21548776

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 84503, 169006, 338012, 676024, 1352048, 2704096, 5408192, 10816384, 21632768]

約数ペア:

[(1, 21632768), (2, 10816384), (4, 5408192), (8, 2704096), (16, 1352048), (32, 676024), (64, 338012), (128, 169006), (256, 84503)]