21264694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3761}}^1$

素因数の和:4031

約数の個数: 16

約数和(自身を含む): 34941456

約数和(自身を除く): 13676762

約数列:

[1, 2, 11, 22, 257, 514, 2827, 3761, 5654, 7522, 41371, 82742, 966577, 1933154, 10632347, 21264694]

約数ペア:

[(1, 21264694), (2, 10632347), (11, 1933154), (22, 966577), (257, 82742), (514, 41371), (2827, 7522), (3761, 5654)]