21918762

素因数分解:

$2^1\times 3^4\times {\mathrm{135301}}^1$

素因数の和:135315

約数の個数: 20

約数和(自身を含む): 49114626

約数和(自身を除く): 27195864

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 135301, 270602, 405903, 811806, 1217709, 2435418, 3653127, 7306254, 10959381, 21918762]

約数ペア:

[(1, 21918762), (2, 10959381), (3, 7306254), (6, 3653127), (9, 2435418), (18, 1217709), (27, 811806), (54, 405903), (81, 270602), (162, 135301)]