21590037

素因数分解:

$3^3\times 7^2\times {\mathrm{16319}}^1$

素因数の和:16342

約数の個数: 24

約数和(自身を含む): 37209600

約数和(自身を除く): 15619563

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 16319, 48957, 114233, 146871, 342699, 440613, 799631, 1028097, 2398893, 3084291, 7196679, 21590037]

約数ペア:

[(1, 21590037), (3, 7196679), (7, 3084291), (9, 2398893), (21, 1028097), (27, 799631), (49, 440613), (63, 342699), (147, 146871), (189, 114233), (441, 48957), (1323, 16319)]