21740178

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{213139}}^1$

素因数の和:213161

約数の個数: 16

約数和(自身を含む): 46038240

約数和(自身を除く): 24298062

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 213139, 426278, 639417, 1278834, 3623363, 7246726, 10870089, 21740178]

約数ペア:

[(1, 21740178), (2, 10870089), (3, 7246726), (6, 3623363), (17, 1278834), (34, 639417), (51, 426278), (102, 213139)]