21724417

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3533}}^1$

素因数の和:3600

約数の個数: 16

約数和(自身を含む): 26123328

約数和(自身を除く): 4398911

約数列:

[1, 11, 13, 43, 143, 473, 559, 3533, 6149, 38863, 45929, 151919, 505219, 1671109, 1974947, 21724417]

約数ペア:

[(1, 21724417), (11, 1974947), (13, 1671109), (43, 505219), (143, 151919), (473, 45929), (559, 38863), (3533, 6149)]