21167903029

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{4747231}}^1$

素因数の和:4747265

約数の個数: 16

約数和(自身を含む): 26584499200

約数和(自身を除く): 5416596171

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 4747231, 33230617, 61714003, 232614319, 431998021, 1628300233, 3023986147, 21167903029]

約数ペア:

[(1, 21167903029), (7, 3023986147), (13, 1628300233), (49, 431998021), (91, 232614319), (343, 61714003), (637, 33230617), (4459, 4747231)]