21185976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126107}}^1$

素因数の和:126123

約数の個数: 32

約数和(自身を含む): 60531840

約数和(自身を除く): 39345864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126107, 252214, 378321, 504428, 756642, 882749, 1008856, 1513284, 1765498, 2648247, 3026568, 3530996, 5296494, 7061992, 10592988, 21185976]

約数ペア:

[(1, 21185976), (2, 10592988), (3, 7061992), (4, 5296494), (6, 3530996), (7, 3026568), (8, 2648247), (12, 1765498), (14, 1513284), (21, 1008856), (24, 882749), (28, 756642), (42, 504428), (56, 378321), (84, 252214), (168, 126107)]