21653806

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15401}}^1$

素因数の和:15459

約数の個数: 16

約数和(自身を含む): 35116560

約数和(自身を除く): 13462754

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 15401, 30802, 292619, 569837, 585238, 1139674, 10826903, 21653806]

約数ペア:

[(1, 21653806), (2, 10826903), (19, 1139674), (37, 585238), (38, 569837), (74, 292619), (703, 30802), (1406, 15401)]