21761003

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 25855200

約数和(自身を除く): 4094197

約数列:

[1, 11, 17, 71, 121, 149, 187, 781, 1207, 1639, 2057, 2533, 8591, 10579, 13277, 18029, 27863, 116369, 146047, 179843, 306493, 1280059, 1978273, 21761003]

約数ペア:

[(1, 21761003), (11, 1978273), (17, 1280059), (71, 306493), (121, 179843), (149, 146047), (187, 116369), (781, 27863), (1207, 18029), (1639, 13277), (2057, 10579), (2533, 8591)]