21488656

素因数分解:

$2^4\times 7^2\times {\mathrm{27409}}^1$

素因数の和:27431

約数の個数: 30

約数和(自身を含む): 48433470

約数和(自身を除く): 26944814

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27409, 54818, 109636, 191863, 219272, 383726, 438544, 767452, 1343041, 1534904, 2686082, 3069808, 5372164, 10744328, 21488656]

約数ペア:

[(1, 21488656), (2, 10744328), (4, 5372164), (7, 3069808), (8, 2686082), (14, 1534904), (16, 1343041), (28, 767452), (49, 438544), (56, 383726), (98, 219272), (112, 191863), (196, 109636), (392, 54818), (784, 27409)]