21281127

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59611}}^1$

素因数の和:59638

約数の個数: 16

約数和(自身を含む): 34336512

約数和(自身を除く): 13055385

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 59611, 178833, 417277, 1013387, 1251831, 3040161, 7093709, 21281127]

約数ペア:

[(1, 21281127), (3, 7093709), (7, 3040161), (17, 1251831), (21, 1013387), (51, 417277), (119, 178833), (357, 59611)]