21106292

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{443}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 38017056

約数和(自身を除く): 16910764

約数列:

[1, 2, 4, 43, 86, 172, 277, 443, 554, 886, 1108, 1772, 11911, 19049, 23822, 38098, 47644, 76196, 122711, 245422, 490844, 5276573, 10553146, 21106292]

約数ペア:

[(1, 21106292), (2, 10553146), (4, 5276573), (43, 490844), (86, 245422), (172, 122711), (277, 76196), (443, 47644), (554, 38098), (886, 23822), (1108, 19049), (1772, 11911)]