21038067

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 31187520

約数和(自身を除く): 10149453

約数列:

[1, 3, 9, 67, 139, 201, 251, 417, 603, 753, 1251, 2259, 9313, 16817, 27939, 34889, 50451, 83817, 104667, 151353, 314001, 2337563, 7012689, 21038067]

約数ペア:

[(1, 21038067), (3, 7012689), (9, 2337563), (67, 314001), (139, 151353), (201, 104667), (251, 83817), (417, 50451), (603, 34889), (753, 27939), (1251, 16817), (2259, 9313)]