21089548

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3209}}^1$

素因数の和:3297

約数の個数: 24

約数和(自身を含む): 38828160

約数和(自身を除く): 17738612

約数列:

[1, 2, 4, 31, 53, 62, 106, 124, 212, 1643, 3209, 3286, 6418, 6572, 12836, 99479, 170077, 198958, 340154, 397916, 680308, 5272387, 10544774, 21089548]

約数ペア:

[(1, 21089548), (2, 10544774), (4, 5272387), (31, 680308), (53, 397916), (62, 340154), (106, 198958), (124, 170077), (212, 99479), (1643, 12836), (3209, 6572), (3286, 6418)]