21959668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{1021}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 40634720

約数和(自身を除く): 18675052

約数列:

[1, 2, 4, 19, 38, 76, 283, 566, 1021, 1132, 2042, 4084, 5377, 10754, 19399, 21508, 38798, 77596, 288943, 577886, 1155772, 5489917, 10979834, 21959668]

約数ペア:

[(1, 21959668), (2, 10979834), (4, 5489917), (19, 1155772), (38, 577886), (76, 288943), (283, 77596), (566, 38798), (1021, 21508), (1132, 19399), (2042, 10754), (4084, 5377)]