21000643165

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{703657}}^1$

素因数の和:703836

約数の個数: 16

約数和(自身を含む): 25939648512

約数和(自身を除く): 4939005347

約数列:

[1, 5, 47, 127, 235, 635, 5969, 29845, 703657, 3518285, 33071879, 89364439, 165359395, 446822195, 4200128633, 21000643165]

約数ペア:

[(1, 21000643165), (5, 4200128633), (47, 446822195), (127, 165359395), (235, 89364439), (635, 33071879), (5969, 3518285), (29845, 703657)]