21000612396

素因数分解:

$2^2\times 3^1\times {\mathrm{397}}^1\times {\mathrm{719}}^1\times {\mathrm{6131}}^1$

素因数の和:7254

約数の個数: 48

約数和(自身を含む): 49201205760

約数和(自身を除く): 28200593364

約数列:

[1, 2, 3, 4, 6, 12, 397, 719, 794, 1191, 1438, 1588, 2157, 2382, 2876, 4314, 4764, 6131, 8628, 12262, 18393, 24524, 36786, 73572, 285443, 570886, 856329, 1141772, 1712658, 2434007, 3425316, 4408189, 4868014, 7302021, 8816378, 9736028, 13224567, 14604042, 17632756, 26449134, 29208084, 52898268, 1750051033, 3500102066, 5250153099, 7000204132, 10500306198, 21000612396]

約数ペア:

[(1, 21000612396), (2, 10500306198), (3, 7000204132), (4, 5250153099), (6, 3500102066), (12, 1750051033), (397, 52898268), (719, 29208084), (794, 26449134), (1191, 17632756), (1438, 14604042), (1588, 13224567), (2157, 9736028), (2382, 8816378), (2876, 7302021), (4314, 4868014), (4764, 4408189), (6131, 3425316), (8628, 2434007), (12262, 1712658), (18393, 1141772), (24524, 856329), (36786, 570886), (73572, 285443)]