21235212

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{14387}}^1$

素因数の和:14438

約数の個数: 36

約数和(自身を含む): 54990936

約数和(自身を除く): 33755724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 14387, 28774, 43161, 57548, 86322, 129483, 172644, 258966, 517932, 589867, 1179734, 1769601, 2359468, 3539202, 5308803, 7078404, 10617606, 21235212]

約数ペア:

[(1, 21235212), (2, 10617606), (3, 7078404), (4, 5308803), (6, 3539202), (9, 2359468), (12, 1769601), (18, 1179734), (36, 589867), (41, 517932), (82, 258966), (123, 172644), (164, 129483), (246, 86322), (369, 57548), (492, 43161), (738, 28774), (1476, 14387)]