21058748

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1759}}^1$

素因数の和:1877

約数の個数: 24

約数和(自身を含む): 38290560

約数和(自身を除く): 17231812

約数列:

[1, 2, 4, 41, 73, 82, 146, 164, 292, 1759, 2993, 3518, 5986, 7036, 11972, 72119, 128407, 144238, 256814, 288476, 513628, 5264687, 10529374, 21058748]

約数ペア:

[(1, 21058748), (2, 10529374), (4, 5264687), (41, 513628), (73, 288476), (82, 256814), (146, 144238), (164, 128407), (292, 72119), (1759, 11972), (2993, 7036), (3518, 5986)]