21572541

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1093}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 34657920

約数和(自身を除く): 13085379

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 153, 387, 459, 731, 1093, 1161, 2193, 3279, 6579, 9837, 18581, 19737, 29511, 46999, 55743, 140997, 167229, 422991, 501687, 798983, 1268973, 2396949, 7190847, 21572541]

約数ペア:

[(1, 21572541), (3, 7190847), (9, 2396949), (17, 1268973), (27, 798983), (43, 501687), (51, 422991), (129, 167229), (153, 140997), (387, 55743), (459, 46999), (731, 29511), (1093, 19737), (1161, 18581), (2193, 9837), (3279, 6579)]