21093039009

素因数分解:

$3^4\times 7^1\times {\mathrm{37201127}}^1$

素因数の和:37201146

約数の個数: 20

約数和(自身を含む): 36010691904

約数和(自身を除く): 14917652895

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 37201127, 111603381, 260407889, 334810143, 781223667, 1004430429, 2343671001, 3013291287, 7031013003, 21093039009]

約数ペア:

[(1, 21093039009), (3, 7031013003), (7, 3013291287), (9, 2343671001), (21, 1004430429), (27, 781223667), (63, 334810143), (81, 260407889), (189, 111603381), (567, 37201127)]