21980014

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{92353}}^1$

素因数の和:92379

約数の個数: 16

約数和(自身を含む): 39896928

約数和(自身を除く): 17916914

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 92353, 184706, 646471, 1292942, 1570001, 3140002, 10990007, 21980014]

約数ペア:

[(1, 21980014), (2, 10990007), (7, 3140002), (14, 1570001), (17, 1292942), (34, 646471), (119, 184706), (238, 92353)]