21186846

素因数分解:

$2^1\times 3^4\times {\mathrm{130783}}^1$

素因数の和:130797

約数の個数: 20

約数和(自身を含む): 47474592

約数和(自身を除く): 26287746

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 130783, 261566, 392349, 784698, 1177047, 2354094, 3531141, 7062282, 10593423, 21186846]

約数ペア:

[(1, 21186846), (2, 10593423), (3, 7062282), (6, 3531141), (9, 2354094), (18, 1177047), (27, 784698), (54, 392349), (81, 261566), (162, 130783)]