21508076

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{283001}}^1$

素因数の和:283024

約数の個数: 12

約数和(自身を含む): 39620280

約数和(自身を除く): 18112204

約数列:

[1, 2, 4, 19, 38, 76, 283001, 566002, 1132004, 5377019, 10754038, 21508076]

約数ペア:

[(1, 21508076), (2, 10754038), (4, 5377019), (19, 1132004), (38, 566002), (76, 283001)]