21743918

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{887}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 39896064

約数和(自身を除く): 18152146

約数列:

[1, 2, 7, 14, 17, 34, 103, 119, 206, 238, 721, 887, 1442, 1751, 1774, 3502, 6209, 12257, 12418, 15079, 24514, 30158, 91361, 105553, 182722, 211106, 639527, 1279054, 1553137, 3106274, 10871959, 21743918]

約数ペア:

[(1, 21743918), (2, 10871959), (7, 3106274), (14, 1553137), (17, 1279054), (34, 639527), (103, 211106), (119, 182722), (206, 105553), (238, 91361), (721, 30158), (887, 24514), (1442, 15079), (1751, 12418), (1774, 12257), (3502, 6209)]