21240656

素因数分解:

$2^4\times {\mathrm{929}}^1\times {\mathrm{1429}}^1$

素因数の和:2366

約数の個数: 20

約数和(自身を含む): 41226900

約数和(自身を除く): 19986244

約数列:

[1, 2, 4, 8, 16, 929, 1429, 1858, 2858, 3716, 5716, 7432, 11432, 14864, 22864, 1327541, 2655082, 5310164, 10620328, 21240656]

約数ペア:

[(1, 21240656), (2, 10620328), (4, 5310164), (8, 2655082), (16, 1327541), (929, 22864), (1429, 14864), (1858, 11432), (2858, 7432), (3716, 5716)]