21389824

素因数分解:

$2^9\times {\mathrm{41777}}^1$

素因数の和:41795

約数の個数: 20

約数和(自身を含む): 42738894

約数和(自身を除く): 21349070

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 41777, 83554, 167108, 334216, 668432, 1336864, 2673728, 5347456, 10694912, 21389824]

約数ペア:

[(1, 21389824), (2, 10694912), (4, 5347456), (8, 2673728), (16, 1336864), (32, 668432), (64, 334216), (128, 167108), (256, 83554), (512, 41777)]