21410181

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5903}}^1$

素因数の和:5953

約数の個数: 24

約数和(自身を含む): 34384896

約数和(自身を除く): 12974715

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5903, 17709, 53127, 76739, 182993, 230217, 548979, 690651, 1646937, 2378909, 7136727, 21410181]

約数ペア:

[(1, 21410181), (3, 7136727), (9, 2378909), (13, 1646937), (31, 690651), (39, 548979), (93, 230217), (117, 182993), (279, 76739), (403, 53127), (1209, 17709), (3627, 5903)]