21000871383

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{395251}}^1$

素因数の和:395542

約数の個数: 16

約数和(自身を含む): 28458144000

約数和(自身を除く): 7457272617

約数列:

[1, 3, 89, 199, 267, 597, 17711, 53133, 395251, 1185753, 35177339, 78654949, 105532017, 235964847, 7000290461, 21000871383]

約数ペア:

[(1, 21000871383), (3, 7000290461), (89, 235964847), (199, 105532017), (267, 78654949), (597, 35177339), (17711, 1185753), (53133, 395251)]