21317286

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{208993}}^1$

素因数の和:209015

約数の個数: 16

約数和(自身を含む): 45142704

約数和(自身を除く): 23825418

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 208993, 417986, 626979, 1253958, 3552881, 7105762, 10658643, 21317286]

約数ペア:

[(1, 21317286), (2, 10658643), (3, 7105762), (6, 3552881), (17, 1253958), (34, 626979), (51, 417986), (102, 208993)]