21674367

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1572

約数の個数: 36

約数和(自身を含む): 37083592

約数和(自身を除く): 15409225

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 363, 429, 1089, 1287, 1531, 1573, 4593, 4719, 13779, 14157, 16841, 19903, 50523, 59709, 151569, 179127, 185251, 218933, 555753, 656799, 1667259, 1970397, 2408263, 7224789, 21674367]

約数ペア:

[(1, 21674367), (3, 7224789), (9, 2408263), (11, 1970397), (13, 1667259), (33, 656799), (39, 555753), (99, 218933), (117, 185251), (121, 179127), (143, 151569), (363, 59709), (429, 50523), (1089, 19903), (1287, 16841), (1531, 14157), (1573, 13779), (4593, 4719)]