21859520

素因数分解:

$2^6\times 5^1\times {\mathrm{68311}}^1$

素因数の和:68328

約数の個数: 28

約数和(自身を含む): 52053744

約数和(自身を除く): 30194224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 68311, 136622, 273244, 341555, 546488, 683110, 1092976, 1366220, 2185952, 2732440, 4371904, 5464880, 10929760, 21859520]

約数ペア:

[(1, 21859520), (2, 10929760), (4, 5464880), (5, 4371904), (8, 2732440), (10, 2185952), (16, 1366220), (20, 1092976), (32, 683110), (40, 546488), (64, 341555), (80, 273244), (160, 136622), (320, 68311)]