21525757

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2677}}^1$

素因数の和:2748

約数の個数: 16

約数和(自身を含む): 25451712

約数和(自身を除く): 3925955

約数列:

[1, 11, 17, 43, 187, 473, 731, 2677, 8041, 29447, 45509, 115111, 500599, 1266221, 1956887, 21525757]

約数ペア:

[(1, 21525757), (11, 1956887), (17, 1266221), (43, 500599), (187, 115111), (473, 45509), (731, 29447), (2677, 8041)]