21294339

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{10937}}^1$

素因数の和:11010

約数の個数: 16

約数和(自身を含む): 31501440

約数和(自身を除く): 10207101

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 10937, 32811, 120307, 360921, 645283, 1935849, 7098113, 21294339]

約数ペア:

[(1, 21294339), (3, 7098113), (11, 1935849), (33, 645283), (59, 360921), (177, 120307), (649, 32811), (1947, 10937)]