21430130

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73897}}^1$

素因数の和:73933

約数の個数: 16

約数和(自身を含む): 39904920

約数和(自身を除く): 18474790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 73897, 147794, 369485, 738970, 2143013, 4286026, 10715065, 21430130]

約数ペア:

[(1, 21430130), (2, 10715065), (5, 4286026), (10, 2143013), (29, 738970), (58, 369485), (145, 147794), (290, 73897)]