21556256

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8527}}^1$

素因数の和:8616

約数の個数: 24

約数和(自身を含む): 42981120

約数和(自身を除く): 21424864

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8527, 17054, 34108, 68216, 136432, 272864, 673633, 1347266, 2694532, 5389064, 10778128, 21556256]

約数ペア:

[(1, 21556256), (2, 10778128), (4, 5389064), (8, 2694532), (16, 1347266), (32, 673633), (79, 272864), (158, 136432), (316, 68216), (632, 34108), (1264, 17054), (2528, 8527)]