21967066

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{2111}}^1$

素因数の和:2178

約数の個数: 24

約数和(自身を含む): 37078272

約数和(自身を除く): 15111206

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 2111, 4222, 5203, 10406, 23221, 46442, 90773, 181546, 255431, 510862, 998503, 1997006, 10983533, 21967066]

約数ペア:

[(1, 21967066), (2, 10983533), (11, 1997006), (22, 998503), (43, 510862), (86, 255431), (121, 181546), (242, 90773), (473, 46442), (946, 23221), (2111, 10406), (4222, 5203)]