21180147

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{5689}}^1$

素因数の和:5782

約数の個数: 16

約数和(自身を含む): 30316320

約数和(自身を除く): 9136173

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 5689, 17067, 96713, 290139, 415297, 1245891, 7060049, 21180147]

約数ペア:

[(1, 21180147), (3, 7060049), (17, 1245891), (51, 415297), (73, 290139), (219, 96713), (1241, 17067), (3723, 5689)]