21065548

素因数分解:

$2^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{2017}}^1$

素因数の和:2401

約数の個数: 24

約数和(自身を含む): 42264992

約数和(自身を除く): 21199444

約数列:

[1, 2, 4, 7, 14, 28, 373, 746, 1492, 2017, 2611, 4034, 5222, 8068, 10444, 14119, 28238, 56476, 752341, 1504682, 3009364, 5266387, 10532774, 21065548]

約数ペア:

[(1, 21065548), (2, 10532774), (4, 5266387), (7, 3009364), (14, 1504682), (28, 752341), (373, 56476), (746, 28238), (1492, 14119), (2017, 10444), (2611, 8068), (4034, 5222)]