21560607

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 12653793

約数列:

[1, 3, 9, 17, 27, 51, 107, 153, 321, 439, 459, 963, 1317, 1819, 2889, 3951, 5457, 7463, 11853, 16371, 22389, 46973, 49113, 67167, 140919, 201501, 422757, 798541, 1268271, 2395623, 7186869, 21560607]

約数ペア:

[(1, 21560607), (3, 7186869), (9, 2395623), (17, 1268271), (27, 798541), (51, 422757), (107, 201501), (153, 140919), (321, 67167), (439, 49113), (459, 46973), (963, 22389), (1317, 16371), (1819, 11853), (2889, 7463), (3951, 5457)]