21103443

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2048

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 13456557

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 1999, 3519, 5997, 10557, 17991, 33983, 45977, 53973, 101949, 137931, 305847, 413793, 781609, 917541, 1241379, 2344827, 7034481, 21103443]

約数ペア:

[(1, 21103443), (3, 7034481), (9, 2344827), (17, 1241379), (23, 917541), (27, 781609), (51, 413793), (69, 305847), (153, 137931), (207, 101949), (391, 53973), (459, 45977), (621, 33983), (1173, 17991), (1999, 10557), (3519, 5997)]