21029357

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 23256000

約数和(自身を除く): 2226643

約数列:

[1, 17, 37, 67, 499, 629, 1139, 2479, 8483, 18463, 33433, 42143, 313871, 568361, 1237021, 21029357]

約数ペア:

[(1, 21029357), (17, 1237021), (37, 568361), (67, 313871), (499, 42143), (629, 33433), (1139, 18463), (2479, 8483)]