21360136

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5693}}^1$

素因数の和:5773

約数の個数: 32

約数和(自身を含む): 46463040

約数和(自身を除く): 25102904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5693, 11386, 22772, 39851, 45544, 79702, 159404, 318808, 381431, 762862, 1525724, 2670017, 3051448, 5340034, 10680068, 21360136]

約数ペア:

[(1, 21360136), (2, 10680068), (4, 5340034), (7, 3051448), (8, 2670017), (14, 1525724), (28, 762862), (56, 381431), (67, 318808), (134, 159404), (268, 79702), (469, 45544), (536, 39851), (938, 22772), (1876, 11386), (3752, 5693)]