21136734

素因数分解:

$2^1\times 3^3\times {\mathrm{509}}^1\times {\mathrm{769}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 47124000

約数和(自身を除く): 25987266

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 509, 769, 1018, 1527, 1538, 2307, 3054, 4581, 4614, 6921, 9162, 13743, 13842, 20763, 27486, 41526, 391421, 782842, 1174263, 2348526, 3522789, 7045578, 10568367, 21136734]

約数ペア:

[(1, 21136734), (2, 10568367), (3, 7045578), (6, 3522789), (9, 2348526), (18, 1174263), (27, 782842), (54, 391421), (509, 41526), (769, 27486), (1018, 20763), (1527, 13842), (1538, 13743), (2307, 9162), (3054, 6921), (4581, 4614)]