21075927

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2\times {\mathrm{61}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 29821008

約数和(自身を除く): 8745081

約数列:

[1, 3, 41, 53, 61, 123, 159, 183, 2173, 2501, 2809, 3233, 6519, 7503, 8427, 9699, 115169, 132553, 171349, 345507, 397659, 514047, 7025309, 21075927]

約数ペア:

[(1, 21075927), (3, 7025309), (41, 514047), (53, 397659), (61, 345507), (123, 171349), (159, 132553), (183, 115169), (2173, 9699), (2501, 8427), (2809, 7503), (3233, 6519)]