21149624

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{56249}}^1$

素因数の和:56302

約数の個数: 16

約数和(自身を含む): 40500000

約数和(自身を除く): 19350376

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 56249, 112498, 224996, 449992, 2643703, 5287406, 10574812, 21149624]

約数ペア:

[(1, 21149624), (2, 10574812), (4, 5287406), (8, 2643703), (47, 449992), (94, 224996), (188, 112498), (376, 56249)]