21890319621

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{2153}}^1\times {\mathrm{147353}}^1$

素因数の和:149532

約数の個数: 16

約数和(自身を含む): 30470449536

約数和(自身を除く): 8580129915

約数列:

[1, 3, 23, 69, 2153, 6459, 49519, 147353, 148557, 442059, 3389119, 10167357, 317251009, 951753027, 7296773207, 21890319621]

約数ペア:

[(1, 21890319621), (3, 7296773207), (23, 951753027), (69, 317251009), (2153, 10167357), (6459, 3389119), (49519, 442059), (147353, 148557)]