21377527

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 2261513

約数列:

[1, 19, 37, 47, 647, 703, 893, 1739, 12293, 23939, 30409, 33041, 454841, 577771, 1125133, 21377527]

約数ペア:

[(1, 21377527), (19, 1125133), (37, 577771), (47, 454841), (647, 33041), (703, 30409), (893, 23939), (1739, 12293)]