21233289

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5407}}^1$

素因数の和:5445

約数の個数: 32

約数和(自身を含む): 37380096

約数和(自身を除く): 16146807

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5407, 16221, 37849, 59477, 91919, 113547, 178431, 275757, 416339, 643433, 1011109, 1249017, 1930299, 3033327, 7077763, 21233289]

約数ペア:

[(1, 21233289), (3, 7077763), (7, 3033327), (11, 1930299), (17, 1249017), (21, 1011109), (33, 643433), (51, 416339), (77, 275757), (119, 178431), (187, 113547), (231, 91919), (357, 59477), (561, 37849), (1309, 16221), (3927, 5407)]