21283658

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2377}}^1$

素因数の和:2438

約数の個数: 24

約数和(自身を含む): 36055236

約数和(自身を除く): 14771578

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 2377, 4477, 4754, 8954, 26147, 52294, 87949, 175898, 287617, 575234, 967439, 1934878, 10641829, 21283658]

約数ペア:

[(1, 21283658), (2, 10641829), (11, 1934878), (22, 967439), (37, 575234), (74, 287617), (121, 175898), (242, 87949), (407, 52294), (814, 26147), (2377, 8954), (4477, 4754)]