21190984

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{56359}}^1$

素因数の和:56412

約数の個数: 16

約数和(自身を含む): 40579200

約数和(自身を除く): 19388216

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 56359, 112718, 225436, 450872, 2648873, 5297746, 10595492, 21190984]

約数ペア:

[(1, 21190984), (2, 10595492), (4, 5297746), (8, 2648873), (47, 450872), (94, 225436), (188, 112718), (376, 56359)]