21777866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{23021}}^1$

素因数の和:23077

約数の個数: 16

約数和(自身を含む): 36466848

約数和(自身を除く): 14688982

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 23021, 46042, 253231, 506462, 989903, 1979806, 10888933, 21777866]

約数ペア:

[(1, 21777866), (2, 10888933), (11, 1979806), (22, 989903), (43, 506462), (86, 253231), (473, 46042), (946, 23021)]