21167972319

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{5072603}}^1$

素因数の和:5072726

約数の個数: 16

約数和(自身を含む): 30679108992

約数和(自身を除く): 9511136673

約数列:

[1, 3, 13, 39, 107, 321, 1391, 4173, 5072603, 15217809, 65943839, 197831517, 542768521, 1628305563, 7055990773, 21167972319]

約数ペア:

[(1, 21167972319), (3, 7055990773), (13, 1628305563), (39, 542768521), (107, 197831517), (321, 65943839), (1391, 15217809), (4173, 5072603)]