21946383

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{6301}}^1$

素因数の和:6356

約数の個数: 20

約数和(自身を含む): 33551848

約数和(自身を除く): 11605465

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 6301, 18903, 56709, 170127, 270943, 510381, 812829, 2438487, 7315461, 21946383]

約数ペア:

[(1, 21946383), (3, 7315461), (9, 2438487), (27, 812829), (43, 510381), (81, 270943), (129, 170127), (387, 56709), (1161, 18903), (3483, 6301)]