20121683001

素因数分解:

$3^1\times 7^1\times {\mathrm{1879}}^1\times {\mathrm{509939}}^1$

素因数の和:511828

約数の個数: 16

約数和(自身を含む): 30677990400

約数和(自身を除く): 10556307399

約数列:

[1, 3, 7, 21, 1879, 5637, 13153, 39459, 509939, 1529817, 3569573, 10708719, 958175381, 2874526143, 6707227667, 20121683001]

約数ペア:

[(1, 20121683001), (3, 6707227667), (7, 2874526143), (21, 958175381), (1879, 10708719), (5637, 3569573), (13153, 1529817), (39459, 509939)]