21234939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1493}}^1$

素因数の和:1938

約数の個数: 16

約数和(自身を含む): 30979584

約数和(自身を除く): 9744645

約数列:

[1, 3, 11, 33, 431, 1293, 1493, 4479, 4741, 14223, 16423, 49269, 643483, 1930449, 7078313, 21234939]

約数ペア:

[(1, 21234939), (3, 7078313), (11, 1930449), (33, 643483), (431, 49269), (1293, 16423), (1493, 14223), (4479, 4741)]