21293418

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{208759}}^1$

素因数の和:208781

約数の個数: 16

約数和(自身を含む): 45092160

約数和(自身を除く): 23798742

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 208759, 417518, 626277, 1252554, 3548903, 7097806, 10646709, 21293418]

約数ペア:

[(1, 21293418), (2, 10646709), (3, 7097806), (6, 3548903), (17, 1252554), (34, 626277), (51, 417518), (102, 208759)]