21060105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127637}}^1$

素因数の和:127656

約数の個数: 16

約数和(自身を含む): 36759744

約数和(自身を除く): 15699639

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 127637, 382911, 638185, 1404007, 1914555, 4212021, 7020035, 21060105]

約数ペア:

[(1, 21060105), (3, 7020035), (5, 4212021), (11, 1914555), (15, 1404007), (33, 638185), (55, 382911), (165, 127637)]