21086929

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 1895471

約数列:

[1, 23, 37, 71, 349, 851, 1633, 2627, 8027, 12913, 24779, 60421, 296999, 569917, 916823, 21086929]

約数ペア:

[(1, 21086929), (23, 916823), (37, 569917), (71, 296999), (349, 60421), (851, 24779), (1633, 12913), (2627, 8027)]