21946293

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 32628960

約数和(自身を除く): 10682667

約数列:

[1, 3, 9, 53, 139, 159, 331, 417, 477, 993, 1251, 2979, 7367, 17543, 22101, 46009, 52629, 66303, 138027, 157887, 414081, 2438477, 7315431, 21946293]

約数ペア:

[(1, 21946293), (3, 7315431), (9, 2438477), (53, 414081), (139, 157887), (159, 138027), (331, 66303), (417, 52629), (477, 46009), (993, 22101), (1251, 17543), (2979, 7367)]