21526448

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6971}}^1$

素因数の和:7172

約数の個数: 20

約数和(自身を含む): 41929608

約数和(自身を除く): 20403160

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6971, 13942, 27884, 55768, 111536, 1345403, 2690806, 5381612, 10763224, 21526448]

約数ペア:

[(1, 21526448), (2, 10763224), (4, 5381612), (8, 2690806), (16, 1345403), (193, 111536), (386, 55768), (772, 27884), (1544, 13942), (3088, 6971)]