21427368

素因数分解:

$2^3\times 3^1\times {\mathrm{251}}^1\times {\mathrm{3557}}^1$

素因数の和:3817

約数の個数: 32

約数和(自身を含む): 53796960

約数和(自身を除く): 32369592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 251, 502, 753, 1004, 1506, 2008, 3012, 3557, 6024, 7114, 10671, 14228, 21342, 28456, 42684, 85368, 892807, 1785614, 2678421, 3571228, 5356842, 7142456, 10713684, 21427368]

約数ペア:

[(1, 21427368), (2, 10713684), (3, 7142456), (4, 5356842), (6, 3571228), (8, 2678421), (12, 1785614), (24, 892807), (251, 85368), (502, 42684), (753, 28456), (1004, 21342), (1506, 14228), (2008, 10671), (3012, 7114), (3557, 6024)]