21538717071

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{5813}}^1\times {\mathrm{28723}}^1$

素因数の和:34582

約数の個数: 16

約数和(自身を含む): 29392235136

約数和(自身を除く): 7853518065

約数列:

[1, 3, 43, 129, 5813, 17439, 28723, 86169, 249959, 749877, 1235089, 3705267, 166966799, 500900397, 7179572357, 21538717071]

約数ペア:

[(1, 21538717071), (3, 7179572357), (43, 500900397), (129, 166966799), (5813, 3705267), (17439, 1235089), (28723, 749877), (86169, 249959)]