21000279827

素因数分解:

${\mathrm{41}}^1\times {\mathrm{641}}^1\times {\mathrm{881}}^1\times {\mathrm{907}}^1$

素因数の和:2470

約数の個数: 16

約数和(自身を含む): 21594281184

約数和(自身を除く): 594001357

約数列:

[1, 41, 641, 881, 907, 26281, 36121, 37187, 564721, 581387, 799067, 23153561, 23836867, 32761747, 512201947, 21000279827]

約数ペア:

[(1, 21000279827), (41, 512201947), (641, 32761747), (881, 23836867), (907, 23153561), (26281, 799067), (36121, 581387), (37187, 564721)]