21324429

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5737}}^1$

素因数の和:5809

約数の個数: 24

約数和(自身を含む): 35805120

約数和(自身を除く): 14480691

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5737, 17211, 40159, 51633, 120477, 338483, 361431, 1015449, 2369381, 3046347, 7108143, 21324429]

約数ペア:

[(1, 21324429), (3, 7108143), (7, 3046347), (9, 2369381), (21, 1015449), (59, 361431), (63, 338483), (177, 120477), (413, 51633), (531, 40159), (1239, 17211), (3717, 5737)]