21750363

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{1021}}^1$

素因数の和:1296

約数の個数: 20

約数和(自身を含む): 32646768

約数和(自身を除く): 10896405

約数列:

[1, 3, 9, 27, 81, 263, 789, 1021, 2367, 3063, 7101, 9189, 21303, 27567, 82701, 268523, 805569, 2416707, 7250121, 21750363]

約数ペア:

[(1, 21750363), (3, 7250121), (9, 2416707), (27, 805569), (81, 268523), (263, 82701), (789, 27567), (1021, 21303), (2367, 9189), (3063, 7101)]