21381732

素因数分解:

$2^2\times 3^4\times {\mathrm{65993}}^1$

素因数の和:66009

約数の個数: 30

約数和(自身を含む): 55896918

約数和(自身を除く): 34515186

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65993, 131986, 197979, 263972, 395958, 593937, 791916, 1187874, 1781811, 2375748, 3563622, 5345433, 7127244, 10690866, 21381732]

約数ペア:

[(1, 21381732), (2, 10690866), (3, 7127244), (4, 5345433), (6, 3563622), (9, 2375748), (12, 1781811), (18, 1187874), (27, 791916), (36, 593937), (54, 395958), (81, 263972), (108, 197979), (162, 131986), (324, 65993)]