21680622

素因数分解:

$2^1\times 3^4\times {\mathrm{133831}}^1$

素因数の和:133845

約数の個数: 20

約数和(自身を含む): 48581016

約数和(自身を除く): 26900394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133831, 267662, 401493, 802986, 1204479, 2408958, 3613437, 7226874, 10840311, 21680622]

約数ペア:

[(1, 21680622), (2, 10840311), (3, 7226874), (6, 3613437), (9, 2408958), (18, 1204479), (27, 802986), (54, 401493), (81, 267662), (162, 133831)]