21917824

素因数分解:

$2^7\times {\mathrm{171233}}^1$

素因数の和:171247

約数の個数: 16

約数和(自身を含む): 43664670

約数和(自身を除く): 21746846

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 171233, 342466, 684932, 1369864, 2739728, 5479456, 10958912, 21917824]

約数ペア:

[(1, 21917824), (2, 10958912), (4, 5479456), (8, 2739728), (16, 1369864), (32, 684932), (64, 342466), (128, 171233)]