21000304809

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{794473}}^1$

素因数の和:794582

約数の個数: 32

約数和(自身を含む): 34321276800

約数和(自身を除く): 13320971991

約数列:

[1, 3, 9, 11, 27, 33, 89, 99, 267, 297, 801, 979, 2403, 2937, 8811, 26433, 794473, 2383419, 7150257, 8739203, 21450771, 26217609, 70708097, 78652827, 212124291, 235958481, 636372873, 777789067, 1909118619, 2333367201, 7000101603, 21000304809]

約数ペア:

[(1, 21000304809), (3, 7000101603), (9, 2333367201), (11, 1909118619), (27, 777789067), (33, 636372873), (89, 235958481), (99, 212124291), (267, 78652827), (297, 70708097), (801, 26217609), (979, 21450771), (2403, 8739203), (2937, 7150257), (8811, 2383419), (26433, 794473)]