21114873

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{719}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 33022080

約数和(自身を除く): 11907207

約数列:

[1, 3, 9, 13, 39, 117, 251, 719, 753, 2157, 2259, 3263, 6471, 9347, 9789, 28041, 29367, 84123, 180469, 541407, 1624221, 2346097, 7038291, 21114873]

約数ペア:

[(1, 21114873), (3, 7038291), (9, 2346097), (13, 1624221), (39, 541407), (117, 180469), (251, 84123), (719, 29367), (753, 28041), (2157, 9789), (2259, 9347), (3263, 6471)]