21481256

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{57131}}^1$

素因数の和:57184

約数の個数: 16

約数和(自身を含む): 41135040

約数和(自身を除く): 19653784

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 57131, 114262, 228524, 457048, 2685157, 5370314, 10740628, 21481256]

約数ペア:

[(1, 21481256), (2, 10740628), (4, 5370314), (8, 2685157), (47, 457048), (94, 228524), (188, 114262), (376, 57131)]