7661570217

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21460981}}^1$

素因数の和:21461008

約数の個数: 16

約数和(自身を含む): 12361525632

約数和(自身を除く): 4699955415

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 21460981, 64382943, 150226867, 364836677, 450680601, 1094510031, 2553856739, 7661570217]

約数ペア:

[(1, 7661570217), (3, 2553856739), (7, 1094510031), (17, 450680601), (21, 364836677), (51, 150226867), (119, 64382943), (357, 21460981)]