21873144

素因数分解:

$2^3\times 3^1\times {\mathrm{251}}^1\times {\mathrm{3631}}^1$

素因数の和:3891

約数の個数: 32

約数和(自身を含む): 54915840

約数和(自身を除く): 33042696

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 251, 502, 753, 1004, 1506, 2008, 3012, 3631, 6024, 7262, 10893, 14524, 21786, 29048, 43572, 87144, 911381, 1822762, 2734143, 3645524, 5468286, 7291048, 10936572, 21873144]

約数ペア:

[(1, 21873144), (2, 10936572), (3, 7291048), (4, 5468286), (6, 3645524), (8, 2734143), (12, 1822762), (24, 911381), (251, 87144), (502, 43572), (753, 29048), (1004, 21786), (1506, 14524), (2008, 10893), (3012, 7262), (3631, 6024)]