21167690047

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{7669}}^1\times {\mathrm{10657}}^1$

素因数の和:18370

約数の個数: 16

約数和(自身を含む): 24851045440

約数和(自身を除く): 3683355393

約数列:

[1, 7, 37, 259, 7669, 10657, 53683, 74599, 283753, 394309, 1986271, 2760163, 81728533, 572099731, 3023955721, 21167690047]

約数ペア:

[(1, 21167690047), (7, 3023955721), (37, 572099731), (259, 81728533), (7669, 2760163), (10657, 1986271), (53683, 394309), (74599, 283753)]