21867156

素因数分解:

$2^2\times 3^2\times {\mathrm{607421}}^1$

素因数の和:607431

約数の個数: 18

約数和(自身を含む): 55275402

約数和(自身を除く): 33408246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607421, 1214842, 1822263, 2429684, 3644526, 5466789, 7289052, 10933578, 21867156]

約数ペア:

[(1, 21867156), (2, 10933578), (3, 7289052), (4, 5466789), (6, 3644526), (9, 2429684), (12, 1822263), (18, 1214842), (36, 607421)]