21032601728

素因数分解:

$2^7\times {\mathrm{164317201}}^1$

素因数の和:164317215

約数の個数: 16

約数和(自身を含む): 41900886510

約数和(自身を除く): 20868284782

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 164317201, 328634402, 657268804, 1314537608, 2629075216, 5258150432, 10516300864, 21032601728]

約数ペア:

[(1, 21032601728), (2, 10516300864), (4, 5258150432), (8, 2629075216), (16, 1314537608), (32, 657268804), (64, 328634402), (128, 164317201)]