21571202

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:937

約数の個数: 16

約数和(自身を含む): 32961600

約数和(自身を除く): 11390398

約数列:

[1, 2, 83, 166, 199, 398, 653, 1306, 16517, 33034, 54199, 108398, 129947, 259894, 10785601, 21571202]

約数ペア:

[(1, 21571202), (2, 10785601), (83, 259894), (166, 129947), (199, 108398), (398, 54199), (653, 33034), (1306, 16517)]