21136483197

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{15349661}}^1$

素因数の和:15349690

約数の個数: 20

約数和(自身を含む): 33431563836

約数和(自身を除く): 12295080639

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 15349661, 46048983, 138146949, 260944237, 414440847, 782832711, 1243322541, 2348498133, 7045494399, 21136483197]

約数ペア:

[(1, 21136483197), (3, 7045494399), (9, 2348498133), (17, 1243322541), (27, 782832711), (51, 414440847), (81, 260944237), (153, 138146949), (459, 46048983), (1377, 15349661)]