21176811

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2099}}^1$

素因数の和:2183

約数の個数: 24

約数和(自身を含む): 32760000

約数和(自身を除く): 11583189

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 531, 1121, 2099, 3363, 6297, 10089, 18891, 39881, 119643, 123841, 358929, 371523, 1114569, 2352979, 7058937, 21176811]

約数ペア:

[(1, 21176811), (3, 7058937), (9, 2352979), (19, 1114569), (57, 371523), (59, 358929), (171, 123841), (177, 119643), (531, 39881), (1121, 18891), (2099, 10089), (3363, 6297)]