21715358

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3967}}^1$

素因数の和:4016

約数の個数: 32

約数和(自身を含む): 41140224

約数和(自身を除く): 19424866

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 322, 391, 782, 2737, 3967, 5474, 7934, 27769, 55538, 67439, 91241, 134878, 182482, 472073, 638687, 944146, 1277374, 1551097, 3102194, 10857679, 21715358]

約数ペア:

[(1, 21715358), (2, 10857679), (7, 3102194), (14, 1551097), (17, 1277374), (23, 944146), (34, 638687), (46, 472073), (119, 182482), (161, 134878), (238, 91241), (322, 67439), (391, 55538), (782, 27769), (2737, 7934), (3967, 5474)]