21704859

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1049}}^1$

素因数の和:1096

約数の個数: 36

約数和(自身を含む): 36309000

約数和(自身を除く): 14604141

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 209, 363, 627, 1049, 1089, 1881, 2299, 3147, 6897, 9441, 11539, 19931, 20691, 34617, 59793, 103851, 126929, 179379, 219241, 380787, 657723, 1142361, 1973169, 2411651, 7234953, 21704859]

約数ペア:

[(1, 21704859), (3, 7234953), (9, 2411651), (11, 1973169), (19, 1142361), (33, 657723), (57, 380787), (99, 219241), (121, 179379), (171, 126929), (209, 103851), (363, 59793), (627, 34617), (1049, 20691), (1089, 19931), (1881, 11539), (2299, 9441), (3147, 6897)]