21151512

素因数分解:

$2^3\times 3^2\times {\mathrm{263}}^1\times {\mathrm{1117}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 57554640

約数和(自身を除く): 36403128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 263, 526, 789, 1052, 1117, 1578, 2104, 2234, 2367, 3156, 3351, 4468, 4734, 6312, 6702, 8936, 9468, 10053, 13404, 18936, 20106, 26808, 40212, 80424, 293771, 587542, 881313, 1175084, 1762626, 2350168, 2643939, 3525252, 5287878, 7050504, 10575756, 21151512]

約数ペア:

[(1, 21151512), (2, 10575756), (3, 7050504), (4, 5287878), (6, 3525252), (8, 2643939), (9, 2350168), (12, 1762626), (18, 1175084), (24, 881313), (36, 587542), (72, 293771), (263, 80424), (526, 40212), (789, 26808), (1052, 20106), (1117, 18936), (1578, 13404), (2104, 10053), (2234, 9468), (2367, 8936), (3156, 6702), (3351, 6312), (4468, 4734)]