21361396

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40153}}^1$

素因数の和:40183

約数の個数: 24

約数和(自身を含む): 44972480

約数和(自身を除く): 23611084

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40153, 80306, 160612, 281071, 562142, 762907, 1124284, 1525814, 3051628, 5340349, 10680698, 21361396]

約数ペア:

[(1, 21361396), (2, 10680698), (4, 5340349), (7, 3051628), (14, 1525814), (19, 1124284), (28, 762907), (38, 562142), (76, 281071), (133, 160612), (266, 80306), (532, 40153)]