21863439

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 35358400

約数和(自身を除く): 13494961

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 769, 1053, 2187, 2307, 3159, 6921, 9477, 9997, 20763, 28431, 29991, 62289, 89973, 186867, 269919, 560601, 809757, 1681803, 2429271, 7287813, 21863439]

約数ペア:

[(1, 21863439), (3, 7287813), (9, 2429271), (13, 1681803), (27, 809757), (39, 560601), (81, 269919), (117, 186867), (243, 89973), (351, 62289), (729, 29991), (769, 28431), (1053, 20763), (2187, 9997), (2307, 9477), (3159, 6921)]