21159204

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1021}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 54255936

約数和(自身を除く): 33096732

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 157, 314, 471, 628, 942, 1021, 1727, 1884, 2042, 3063, 3454, 4084, 5181, 6126, 6908, 10362, 11231, 12252, 20724, 22462, 33693, 44924, 67386, 134772, 160297, 320594, 480891, 641188, 961782, 1763267, 1923564, 3526534, 5289801, 7053068, 10579602, 21159204]

約数ペア:

[(1, 21159204), (2, 10579602), (3, 7053068), (4, 5289801), (6, 3526534), (11, 1923564), (12, 1763267), (22, 961782), (33, 641188), (44, 480891), (66, 320594), (132, 160297), (157, 134772), (314, 67386), (471, 44924), (628, 33693), (942, 22462), (1021, 20724), (1727, 12252), (1884, 11231), (2042, 10362), (3063, 6908), (3454, 6126), (4084, 5181)]