21181394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{971}}^1$

素因数の和:1825

約数の個数: 16

約数和(自身を含む): 34292160

約数和(自身を除く): 13110766

約数列:

[1, 2, 13, 26, 839, 971, 1678, 1942, 10907, 12623, 21814, 25246, 814669, 1629338, 10590697, 21181394]

約数ペア:

[(1, 21181394), (2, 10590697), (13, 1629338), (26, 814669), (839, 25246), (971, 21814), (1678, 12623), (1942, 10907)]