21189968

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22447}}^1$

素因数の和:22514

約数の個数: 20

約数和(自身を含む): 41753280

約数和(自身を除く): 20563312

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22447, 44894, 89788, 179576, 359152, 1324373, 2648746, 5297492, 10594984, 21189968]

約数ペア:

[(1, 21189968), (2, 10594984), (4, 5297492), (8, 2648746), (16, 1324373), (59, 359152), (118, 179576), (236, 89788), (472, 44894), (944, 22447)]