21413183

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2663}}^1$

素因数の和:2734

約数の個数: 16

約数和(自身を含む): 25318656

約数和(自身を除く): 3905473

約数列:

[1, 11, 17, 43, 187, 473, 731, 2663, 8041, 29293, 45271, 114509, 497981, 1259599, 1946653, 21413183]

約数ペア:

[(1, 21413183), (11, 1946653), (17, 1259599), (43, 497981), (187, 114509), (473, 45271), (731, 29293), (2663, 8041)]