21638397

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34511}}^1$

素因数の和:34544

約数の個数: 16

約数和(自身を含む): 33131520

約数和(自身を除く): 11493123

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34511, 103533, 379621, 655709, 1138863, 1967127, 7212799, 21638397]

約数ペア:

[(1, 21638397), (3, 7212799), (11, 1967127), (19, 1138863), (33, 655709), (57, 379621), (209, 103533), (627, 34511)]