21000688252

素因数分解:

$2^2\times {\mathrm{6007}}^1\times {\mathrm{874009}}^1$

素因数の和:880020

約数の個数: 12

約数和(自身を含む): 36757364560

約数和(自身を除く): 15756676308

約数列:

[1, 2, 4, 6007, 12014, 24028, 874009, 1748018, 3496036, 5250172063, 10500344126, 21000688252]

約数ペア:

[(1, 21000688252), (2, 10500344126), (4, 5250172063), (6007, 3496036), (12014, 1748018), (24028, 874009)]