21094714071

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{6492679}}^1$

素因数の和:6492723

約数の個数: 18

約数和(自身を含む): 32158244040

約数和(自身を除く): 11063529969

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 6492679, 19478037, 58434111, 123360901, 370082703, 1110248109, 2343857119, 7031571357, 21094714071]

約数ペア:

[(1, 21094714071), (3, 7031571357), (9, 2343857119), (19, 1110248109), (57, 370082703), (171, 123360901), (361, 58434111), (1083, 19478037), (3249, 6492679)]