21314583

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:725

約数の個数: 40

約数和(自身を含む): 35231328

約数和(自身を除く): 13916745

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 391, 459, 621, 673, 1173, 1377, 1863, 2019, 3519, 6057, 10557, 11441, 15479, 18171, 31671, 34323, 46437, 54513, 102969, 139311, 263143, 308907, 417933, 789429, 926721, 1253799, 2368287, 7104861, 21314583]

約数ペア:

[(1, 21314583), (3, 7104861), (9, 2368287), (17, 1253799), (23, 926721), (27, 789429), (51, 417933), (69, 308907), (81, 263143), (153, 139311), (207, 102969), (391, 54513), (459, 46437), (621, 34323), (673, 31671), (1173, 18171), (1377, 15479), (1863, 11441), (2019, 10557), (3519, 6057)]