21929454

素因数分解:

$2^1\times 3^4\times {\mathrm{135367}}^1$

素因数の和:135381

約数の個数: 20

約数和(自身を含む): 49138584

約数和(自身を除く): 27209130

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 135367, 270734, 406101, 812202, 1218303, 2436606, 3654909, 7309818, 10964727, 21929454]

約数ペア:

[(1, 21929454), (2, 10964727), (3, 7309818), (6, 3654909), (9, 2436606), (18, 1218303), (27, 812202), (54, 406101), (81, 270734), (162, 135367)]