21884457

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1039}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 14057943

約数列:

[1, 3, 7, 17, 21, 51, 59, 119, 177, 357, 413, 1003, 1039, 1239, 3009, 3117, 7021, 7273, 17663, 21063, 21819, 52989, 61301, 123641, 183903, 370923, 429107, 1042117, 1287321, 3126351, 7294819, 21884457]

約数ペア:

[(1, 21884457), (3, 7294819), (7, 3126351), (17, 1287321), (21, 1042117), (51, 429107), (59, 370923), (119, 183903), (177, 123641), (357, 61301), (413, 52989), (1003, 21819), (1039, 21063), (1239, 17663), (3009, 7273), (3117, 7021)]