21274121

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1097}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 24349248

約数和(自身を除く): 3075127

約数列:

[1, 11, 41, 43, 451, 473, 1097, 1763, 12067, 19393, 44977, 47171, 494747, 518881, 1934011, 21274121]

約数ペア:

[(1, 21274121), (11, 1934011), (41, 518881), (43, 494747), (451, 47171), (473, 44977), (1097, 19393), (1763, 12067)]