21242576

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4793}}^1$

素因数の和:5078

約数の個数: 20

約数和(自身を含む): 41314692

約数和(自身を除く): 20072116

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4793, 9586, 19172, 38344, 76688, 1327661, 2655322, 5310644, 10621288, 21242576]

約数ペア:

[(1, 21242576), (2, 10621288), (4, 5310644), (8, 2655322), (16, 1327661), (277, 76688), (554, 38344), (1108, 19172), (2216, 9586), (4432, 4793)]