21261713

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1697}}^1$

素因数の和:1792

約数の個数: 16

約数和(自身を含む): 24940224

約数和(自身を除く): 3678511

約数列:

[1, 11, 17, 67, 187, 737, 1139, 1697, 12529, 18667, 28849, 113699, 317339, 1250689, 1932883, 21261713]

約数ペア:

[(1, 21261713), (11, 1932883), (17, 1250689), (67, 317339), (187, 113699), (737, 28849), (1139, 18667), (1697, 12529)]