21764320

素因数分解:

$2^5\times 5^1\times {\mathrm{136027}}^1$

素因数の和:136042

約数の個数: 24

約数和(自身を含む): 51418584

約数和(自身を除く): 29654264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 136027, 272054, 544108, 680135, 1088216, 1360270, 2176432, 2720540, 4352864, 5441080, 10882160, 21764320]

約数ペア:

[(1, 21764320), (2, 10882160), (4, 5441080), (5, 4352864), (8, 2720540), (10, 2176432), (16, 1360270), (20, 1088216), (32, 680135), (40, 544108), (80, 272054), (160, 136027)]