21102123

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14153}}^1$

素因数の和:14234

約数の個数: 16

約数和(自身を含む): 32610816

約数和(自身を除く): 11508693

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 14153, 42459, 99071, 297213, 1004863, 3014589, 7034041, 21102123]

約数ペア:

[(1, 21102123), (3, 7034041), (7, 3014589), (21, 1004863), (71, 297213), (213, 99071), (497, 42459), (1491, 14153)]