21206883

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{6163}}^1$

素因数の和:6234

約数の個数: 16

約数和(自身を含む): 29981696

約数和(自身を除く): 8774813

約数列:

[1, 3, 31, 37, 93, 111, 1147, 3441, 6163, 18489, 191053, 228031, 573159, 684093, 7068961, 21206883]

約数ペア:

[(1, 21206883), (3, 7068961), (31, 684093), (37, 573159), (93, 228031), (111, 191053), (1147, 18489), (3441, 6163)]