21189216

素因数分解:

$2^5\times 3^1\times {\mathrm{220721}}^1$

素因数の和:220734

約数の個数: 24

約数和(自身を含む): 55621944

約数和(自身を除く): 34432728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 220721, 441442, 662163, 882884, 1324326, 1765768, 2648652, 3531536, 5297304, 7063072, 10594608, 21189216]

約数ペア:

[(1, 21189216), (2, 10594608), (3, 7063072), (4, 5297304), (6, 3531536), (8, 2648652), (12, 1765768), (16, 1324326), (24, 882884), (32, 662163), (48, 441442), (96, 220721)]